Invoking the ‘help functionname’ command. MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots Scatter Plots. When you increase the size of N, all you are really doing is interpolating the data to obtain more sample points. You can specify the size and position of the crop rectangle as parameters when you call imcrop. L. Depending on the size of figure, MATLAB may or may not choose tick marks to your liking. show() Output :- When BackingStore is on, MATLAB stores a copy of the Figure window in an off-screen pixel buffer. increasing size of plot matlab. Here we will parameterize the chart size length and width in inches. Set automargin to True and Plotly will automatically increase the margin size to prevent Figures. Example #1. Ideally I would like add some code that would reduce the area used for plotting set size of plot › Get more: Set plot window size matlabDetail Guide. The values of the figsize attribute are a tuple of 2 values. I can manually resize it using the figure directly when it's created but I want the program to spit it out in the right sizePlot Editing Mode. Plot During Parameter Sweep with. The MATLAB interface has optional inputs that allow users to specify. Users love it because it's easy to use and produces high quality graphics. Apple, Mac, iPad. Kai Arras Social Robotics Lab. my_test_program Up comes the plot of the array c against the array d. Jul 15, 2021 · You can use the following syntax to adjust the size of subplots in Matplotlib: #specify one size for all subplots fig, ax = plt. 5 points. Call the nexttile function to create the axes objects ax1 and ax2. Ideally I would like add some code that would reduce the area used for plotting (thus leaving some room to actually show the x-axis). 5 0 0. Method 1: Using set_figheight() and set_figwidth() For changing height and width of a plot set_figheight and set_figwidth are used Aug 24, 2020 · To broaden the plot, set the width greater than 1. 1:3; figure ('Position', [100 100 500 500]); for i = 1:4 y0= [-0. The technical computing software MATLAB stores, processes and analyzes data contained in arrays and matrices. How to make figure window change size. So I would like to make my plot in a "square" format. Plotting the Objective Function Values and Mesh Sizes. As we have already stated here, by writing help plot or doc plot in Matlab you will be able to find the information we are about to give you down below. You can use a DataQueue to monitor results during computations on a parallel pool. 5 for ma = 0. Matlab allows you to create symbolic math expressions. The axis labels should be a bit larger than the axis font, and the title should be a bit larger than the axis labels. If you hadn't assigned a name for your figure, then increase dimension plot window · Answers (2) · See Also · Categories · Tags · Who bought or supplied you your current copy of MATLAB? · Community Treasure Hunt. m = size(X,dim) returns the size of the dimension of X specified by scalar dim. The aspect ratio is ok but I would like to increase the size of each subplot, and hence the size of the whole plot, because I plan to save the figure as an image format and insert in another file Setting the Figure Size and Position. 8147 0. Also, display information about the solver's progress in the Command Window by setting the Display option to 'iter'. I'm using Windows and I had to install ghostscript in order to be able to produce . line (). Throws out the work and head, the plot a certain one. The result is below: Jun 29, 2020 · The code snippet below is an example where the font is being set to a different size on each axes. Both tones have unit amplitude. 1:3; figure('Position',[100 100 500 500]); That is, set the figure window 'Units' property to physical units, and set the figure window size the same as the 'PaperPosition' size. This is because you choose a rectangular window and the loss is due to negativeMATLAB (R2011b) and Octave (3. Matlab Cheat Sheet Some nifty commands clc Clear command window clear Clear system memory clear x Clear x from memory commandwindow open/select commandwindow whos lists data structures whos x size, bytes, class and attributes of x ans Last result close all closes all gures close(H) closes gure H winopen(pwd) Open current folder Specify Line and Marker Appearance in Plots. The default is an increase in F from 1 to 1. Note that the width and height should be in inches. plot(x,y,’s’) Generates a plot of yw. The whole process is shown below:. Example 2. Jan 10, 2017 · I often need to plot 10 images together, but using this code results in small images : img = rand(400,600); for i=1:10 subplot(2,5,i); imshow(img); title(['Image ' int2str(i)]); end As you can see, the images do not use all available space in the screen. Ideally I would like add some code that would reduce the area used for plotting set size of plot matlab. Creation of arrays greater than this limit may take a long time and cause MATLAB to become unresponsive. Your Y-values cover such a large range that the width in Y is getting compressed so that everything fits. Try the above example along with the following code. 46. I tried increasing the window size, but to no avail, the image changes with the window size. First, the for loop is discussed with examples for row operations on matrices and for Euler's Method to approximate an ODE. matlab define figure size. The optional parameter ‘s’ is used to increase the size of scatter points in matplotlib. Listing Results about Increase Font Size Matlab Plot Convert. change size of axes matlab. graph size matlab window. Plotting Several Plots ! Mar 07, 2014 · A typical layout of the MATLAB workstation can be seen in Figure 1. MATLAB is a tool for technical computing, computation and visualization in an integrated We will create a script in MATLAB (. MATLAB MATLAB uses default values for any properties that you do not explicitly define as arguments. linspace(0, 20, 1000) y = np. ), or dash-dotted (-. exttt {size} function. When obscured parts of the figure window are exposed, MATLAB copies the window contents from this buffer rather than regenerating the objects on the screen. Especially, i have observed that the plots have a "rectangle" format. The plot command in MATLAB help to create two-dimensional plots. In the case of a single argument, the X axis becomes 1,2,3,4 Matlab can generate (and plot) an amazing amount of data. Let’s fit these lines of resizing into the above example. Here’s a tool to help you make your taskbar thumbnail previews just like you want them. Basically, the histogram contains several bins. By default, plot examines the size and type of graph to determine which layout to use. What you see? It is your original signal. 0. We won't be able to go into all of them here, nor will we need to, as they all operate in very similar ways. When the plot is made, it is using the new, reversed Y-axis, thus explaining why it is flipped. › Get more: Set plot window size matlabView Error. In this section "Two-Dimensional Plotting Functions" on page 1-2 "Three-Dimensional MATLAB creates a scatter plot in the lower subplot and displays the commands used to create the plot in the Command Window. 3D Plot - (Graphic Tools). for j=1:600 %This outer loop will control the number of times the graph is %plotted, in this case 600 times The MATLAB command. d d = 3 12 27 48 or of the variable b. pyplot as plt from matplotlib. ) lines in MATLAB for MS-Windows. Make sure that the toolbox is in your path. Accessing Matlab on Athena: add matlab matlab & 2. get_size_inches() F. This allows the user to modify parts of the. Details: This question already has answers here : Setting graph figure size (5 answers) Closed 4 years ago. Published: April 06, 2021 Part Three: EEG time-frequeny analysis. This increase the Jul 15, 2019 · However, when the window size reduces, the data dependency of the algorithm causes the variance to increase (which is a lot more for random input) making the code path less predictable. It is a very common problem while working with a matrix large in size. show() #or plt. We can tell MATLAB to flip the axis back to normal, as in the following code with set(gca,'ydir','normal'): Plots can be formatted by using MATLAB command that follow the plot or fplot commands, or interactively by using the plot editor in the Figure Window. Please help. I would like to remake the size of my plots in matlab. 6 Plotting symbolic expressions in two dimensions gca means get current axis, which set then uses to increase the font size. Position = [100 100 500 500] Jan 11, 2017 · As I understand, you are trying to resize your window using the following command: >> set (gcf, [ four values]) However, you forgot to specify the name of the ‘Position’ property. Axis vectors can be defined from the (Plot Manipulations - ruler X-axis) menubar in the main window. Egress windows are basement windows designed to be used for emergency entrances and exits. However, this method allows for easier control over the animation resolution as well Matlab Tutorial Basic Screen You’ll notice the three main windows are "Workspace", "Command History", and "Command Window". Margin-- Increase the size of the rectangle by adding a margin to the existing text extent rectangle. size of the plot in matlab. f = figure; Get the location, width, and height of the figure. figure(figsize= (3,3)) And you can use the following syntax to increase the size of all Matplotlib plots in a notebook: import matplotlib. This example shows how to perform a parameter sweep in parallel and plot progress during parallel computations. plot (kind='line') is equivalent to df. This means that the figure window is positioned 680 pixels to the right and 558 pixels above the bottom left corner of the primary display, and is 560 pixels wide and 420 pixels tall. However, beyond roughly 50 or so elements in the array, what MATLAB has to do to extend the size of an array is to create a new array that is large enough to hold all of the information, and then to copy the set plot window size matlab. You’ll learn more about what can appear here later. The 'Position' property sets the size of the figure (in pixels by default). Figure windows are labelled 1, 2, 3, The command. Online Matlab Dersleri, Matlab Proje Destek, Matlab Proje Yardım, Matlab Kurs. 0: Each plot kind has a corresponding method on the DataFrame. For exampleMatlab has a powerful symbolic math ability. e. We can also change Matplotlib plot size by setting figsize in the figure () method and rcParams. Now you can see the zoomed part of the figure Mar 19, 2009 · This affects all Matlab text panes (Command Window, Command History, Workspace Browser etc. 228. For example, let’s save some command window contents to a text file. In MATLAB we have a function named hist () which allows us to plot a bar graph. If A is an MxN matrix, xcorr(A) returns a size 2*M-1 x N^2 matrix whose columns contain the cross-correlation sequences for all combinations of the columns of A. What is the size function in MATLAB? 2 Answers. Does not work with matlab plot transparent lien side of the vertices. The default size of a plot in matplotlib is (6. › Get more: Set size of plot matlabDetail Singer. Generating MATLAB® Code to ReproduceMATLAB Graphics Reference. png file. After manipulating the data to its final form, plotting the data makes it easier to visualize the data to identify trends and other patterns. You can create multiple figures by using multiple figure calls with an increasing figure number. To fix this issue, increase 'MeshDensity' to 200 in the second plot. 185 106125 2021 Journal Articles closed journals/cea/AbadeFV21 10. This corresponds to making the Y-axis increase in the same direction as image raster coordiantes. Similarly, to change figure format we simply change extension of image file in the savefig Apr 28, 2016 · The script above uses the simplest call to “plot” possible. 4 as desktop environment. However, if you specify the (x,y) coordinates of the nodes with the XData, YData, or ZData name-value pairs, then the figure includes axes ticks. Pattern Search Terminology. These can change again when the figure is saved. At startup, MATLAB determines the size of your computer screen and defines a default value for Position. Therefore, it's best to manually specify the tick marks so that they are correctly preserved in both display and saving. Filter Type › Get more: Matlab plot text sizeDetail Guide. set_size_inches ( 12, 8) Code language: Python (python) Note, that we use the set_size_inches () method to make the Seaborn plot bigger. 4×4. Sized figure as how matlab plot when i downloaded the command window to loop completes the picture i am getting this figure. Now you can see the zoomed part of the figure Feb 17, 2019 · Go to the custom colormap settings encircled in the figure 2(b). Use magenta square symbols Setting the current figure's (gcf) PaperPositionMode to auto enables you to resize the figure window and print it at the size you see on the screen. x : label or position, default None. To do this, unpack the files into $MATLAB/toolbox/m_map, add that directory to the listVisual Basic Change Font Size - Free Download The ActiveX For Visual Basic Change Button Color. Ideally I would like add some code that would reduce the area used for plotting (thusThis tutorial discusses how to use Matlab for image processing. Making your plot lines thicker - MATLAB Central Blogs. Join 425,000 subscribers and get a daily digesThe figure window stopped responding to commands. The scale invariant relation is indicated by the slope, H, of the regression lines, RegLine, computed by Matlab code 6. com MATLAB 3D plot examples explained with code and syntax for Mesh, Surface Ribbon, Contour and Slice. News Post. Oct 04, 2017 · plot (0 or 1) : Visualization, 1 for plotting, 0 for no plots (plotting increase computation time) ESSENTIAL STEPS. I "pad" them out with zeros, it works, but I lose all the information or states from both systems. In the following, I will explain the main steps I usually take. However, plot A's X axis labels are shorter words than plot B's. Apr 03, 2019 · Why does everyone like to Plot MATLAB Graph with different Colors? What if you are plotting multiple graphs on a single MATLAB display… For plotting multiple graphs in a single window, it very difficult to distinguish one graph from another graph. % datapoints (1d scatter). fig. I would like to remake the size of my plots in matlab. From the desktop click on the windows button in the bottom left hand corner (windows versions vista, 7, and 8, start button for previous versions) and search for the program MATLAB. Elbamy, sometimes the RAM solved the problem, or else you can increase the virtual memory of the matlab. The most they can be here is the width of the distance between two values on the Y axis, 1. I have plotted a graph and I need to change the window size of the plot window. 2. Oberbroeckling, Spring 2018. Let us first define our input array as: rand (2, 4, 5) As we can see in our input, the size of the third dimension in rand (2,4, 5) is 5. How can increase the size of a plot with multiple plots. Some MATLAB ® functions use grids in meshgrid format, while others use ndgrid format, so it is common to convert grids between the two formats. You may run a simulation by pressing Simulation and then Start in the SIMULINK window. Feb 05, 2017 · Change window size of a plot in MatLab [duplicate] Ask Question Asked 4 years, 7 months ago. plot multiple 2d contour plots in one 3d figure [Matlab]. The first channel consists of a 20 Hz tone and a 21 Hz tone. multiline. So I would like to make my plot How can I get the figure window of exactly the same size as that of my screen? Also how can I draw axis on this full figure window? Please help!9 ene 2017 Unfortunately, it is just outside of the window (see image). Loops¶. Requested 2160x2560x295 (3. Increase Scatter Marker Size of Points Non-Uniformly in Matplotlib Double the Width of Matplotlib Scatter Marker To double the width (or height) of the marker we need to increase s Sep 28, 2020 · MATLAB - What is it & why you need it. This course will teach you just that! Octave/Matlab Tutorial Kai Arras Social Robotics Lab v. The code below gives me exactly what I need. Plot the relationship between the Systolic and Diastolic variables by passing tbl as the first argument to the scatter function followed by the variable names. 0, koa, Oct 09 Contents Overview Start, quit, getting help Variables and data types Matrices Plotting Programming Functions and scripts Files I/O Misc Octave and Matlab in practice librobotics Octave Matlab Overview Octave is the "open-source Matlab" Octave is a great gnuplot wrapper www. “How to set seaborn plot size in Jupyter Notebook” is published by Vlad Bezden. Fig. Apr 09, 2021 · matlab set fig size to window size. Care has been taken to keep the framework flexible and generic, so that backends need only support the ability to precisely define the absolute position of a subplot, and they get the full power of nesting, plot area alignment, and more. In this case it contains three matrices or arrays of size 1 X 80000. By default, the (width, height) of a Matplotlib plot is (6. x=0:0. h1=figure (1); plot (t,y) set (h1,'Position', [10 10 500 500]) h2=figure (2); Feb 07, 2021 · It is possible to increase the resolution of the plots obtained in MATLAB. There is a file called history. A plot helps visualize large sets of data to identify trends and patterns. My steps were: 1) Install ghostscript; 2) Download the export_fig . The unhinged end swings out to allow air to flow into the room. figure (figsize= (6,3)) This creates a figure object, which has a width of 6 inches and 3 inches in height. 01 to be simulated for 50 minutes, but this is easily changed. If both x and y are 2D, they must have the same shape. subplots(2, 2, figsize= (10,7)) #specify individual sizes for subplots fig, ax = plt. Apr 06, 2021 · Making Nice Figures (in MATLAB) - Part 3: EEG time-frequency analysis. , that make this an easy task. › Get more: Set plot window size matlabDetail Error. Changing Fonts Size in Matlab Plots - Stack Overflow. Plotting Functions. Name-value pair settings apply to all the plotted lines. set axis scale size matlab. Matlab has excellent support for data visualization and graphics with over 70 types of plots currently available. from MATLAB will display examples of using each function as well as a detailed Basics of MATLAB 1 First Steps in MATLAB 1. 17. In this tutorial, I am decribing the classification of three dimentional [3D] MATLAB plot. , F in Matlab code 5) versus the segment sample size (i. , printed) version. 6 (R2008a) markersize MATLAB. Parameters: data : DataFrame. structure without dealing with the entire structure. For example, to plot the above function as a red, dotted line, change the How to manipulate the graph size, margins and background color. MATLAB still enforces the rules of linear algebra so paying attention to the details of vector creation and manipulation is alwaysmatlab,plot,matlab-figure,figure. It is helpful to have the Matlab Image Processing Toolbox, but fortunately, no toolboxes are needed for most operations. I know, there are probably thousands of articles on this topic available out there and at least as many opinions on what is right or wrong, but I have› Get more: Matlab plot size resizeDetail Install. 7 jessie) and gnome shell 3. A convenient way to plot data from a table is to pass the table to the scatter function and specify the variables you want to plot. A subplot () function is a wrapper function which allows the programmer to plot more than one graph in a single figure by just calling it once. , creating x-y plots, that do not fall under the rubric of linear algebra. set scale in matlab plot. Dec 23, 2020 · import matplotlib. So if you want your plot to be 8 inches wide and 6 inches high, pass (8,6) to figsize. How do I fill in the area between two lines and a curve that's not straight in MATLAB (the region is notListing Results about Increase Font Size Matlab Plot Guide. 5-1-0. 3. Below is an example of creating and plotting the values of the X squared graph from -10 to +10. Matlab, Getting Started. Setting BackingStore to off can increase the speed of animations because it eliminates the need to draw into both an off-screen buffer and the Figure window. in command window scroll buffer which was set to 5000, greater than 1000. This default creates figures about one-quarter of the screen's size and places them centered left to right and in the top half of the screen. We can tell MATLAB to flip the axis back to normal, as in the following code with set(gca,'ydir','normal'): The grid on Matlab is the lines that are meant to separate the rows and columns which are used for computational purposes. Computer graphics are better for understanding many types of data. In these contexts a vector is just a convenient data structure. Example: matlab how to set figure size so you can see plot. [Rows Cols] = size(y); %The command “size” returns the number of rows and %columns of a variable. To group occurrences according to their validity, set the 'GroupVariable' name-value The figure Position property controls the size and location of the figure window on the root screen. Following the for loop , a demonstration of the while loop is given. How do I plot a point in MATLAB? Enter into the command window "plot(x, y, ". In this example, you call imcrop specifying the image to crop, A, and the crop rectangle. 2021. If h is the handle to an existing figure, figure(h) makes the figure identified by h the current figure, makes it visible, and raises it above all other Setting the current figure's (gcf) PaperPositionMode to auto enables you to resize the figure window and print it at the size you see on the screen. figure. From an open plot, click on the “plot tools” icon on the figure window, which will dock your figure window into the user interface. We will do it into steps. subplots (nrows=1, ncols=1, sharex=False, sharey=False, squeeze=True, subplot_kw=None, gridspec_kw=None, **fig_kw) Feb 23, 2017 · Matlab Plots for Visualization. Doctor. Although it´s not required, preallocating memory can increase computation speed for big data. The resolution has increased, but I repeat, THERE IS NO NEW INFORMATION ADDED! This might sound confusing and paradoxical, but it is a very important point. Department of Electrical Engineering. Search the matlab package. % Graph of the Chuzymatics Result of , 2008-2014. When you choose variable-precision arithmetic, by default, vpa uses 32 significant decimal digits of precision. Aug 29, 2018 · Array Creation Functions. 80. For example, maximize the window. Many egress windows have ladders attached so people can safely climb in or out of them. Plotting Your Data. In this tutorial we will demonstrate how the for and the while loop are used. x = linspace (0,2*pi); y = sin (x); plot (x,y) hold on y2 = cos Sep 06, 2021 · A Histogram is a diagrammatic representation of a group of data over user-specified ranges. i've recently changed my monitor with another bigger one; when i plot something the window is too small respect the screen so i'm searching for a command or option to increase the plot window; i've searched info on internet but i found only to increase a singular plot with the strings. Resizing the figure is mentioned at Matlab's documentation. Histogram plots created using histogram have a context menu in plot edit mode that enables interactive manipulations in the figure window. Matplotlib makes easy things easy and hard things possible. Acts on all open plots. You’ll see a window: Fig. Raw MATLAB: For advanced users, the native MATLAB commands can be used. y=y0(i,1)*exp(-2*x); plot(x,y) hold all end. org/10. Set the plot to your wanted color each type you plot in Matlab. Class size seems like it’s growing exponentially. For example maybe you are wondering about the atan2 function mentioned in Sec. figure size matlab. matlab figure resolution. Recently, I had to change my pc with Windows 7 and Matlab R2014a to a new pc with Windows 10 and Matlab R2016a. New in version 0. Apr 09, 2021 · matlab plot size window. 0GB) array exceeds maximum array size preference. We create 4 arrays of data: 2 “smooth” curves and 2 “noisy” curves. About Plot Matlab Example 3d . - Variant of HSV. Ideally I would like add some code that would reduce the area used for plotting› Get more: Matlab plot widthDetail Doctor. matlab plot size adjust size. The plot tools interface lets you choose all kinds of options (font size, font name, tick locations, tick sizes, legend placement, whether to draw a grid or not, line thickness, etc. Mar 19, 2009 · Sid H March 23, 2009 at 02:30 Reply. The blur motion yields a more robust estimation of optical flow. Notice The Matlab function ‘sphere’ generates the x-, y-, and z-coordinates of a unit sphere for use with ‘surf’ and ‘mesh’. We will use the figsize attribute of figure package. The figure's default position is centered both horizontally and vertically when printed to a paper size of 8. I'm just doing raster plots but this question applies to any MATLAB figure. Plotting data on time (date) axis. › Get more: Matlab set plot window sizeView University. When obscured parts of the Figure window are exposed, MATLAB copies the window contents from this buffer rather than regenerating the objects on the screen. fig file. To begin, the computer you are using should be turned on and logged into. In the first plot, display the contours of sin (x) sin (y). I have plotted a graph and I need to change the window size of theGraph Change Window Size Of A Plot In MatLab Stack. Actually, it is better to use handles than gcf as gcf uses the last figure that was addressed, example. Education. • The text elements are too small in size. Actual Time Frequency Plot Increase Precision of Numeric Calculations. This causes the behavior reported by the customer of smaller windows taking more time to process as compared to larger windows. This question already has answers here : Setting graph figure size (5 answers) Closed 4 years ago. Dec 23, 2021 · 9. compag. For example, if the color order index value is 1 , then the next object added to the axes uses the first color in the ColorOrder matrix. It seems the window size is fixed so I need to make flexible. 7. Deals MATLAB In. Deals Securing Stackoverflow. Ideally I would like add some code that would reduce the area Hello, I have a question. 4, up to 1 it is Linear modulation more than 1 it is overmodulation but as the curve becomes constant THD is a square wave. MATLAB. If you increase the step size or decrease the number of iterations, the simulation runs faster, but the results are less accurate. Matlab kursu için tıklayın. MATLAB. This feature is turned off by the command hold off 0. We can increase the width of an object to any extent. You can also use a DataQueue with parallel language features such as parfor, parfeval and spmd. Cumulative Distribution Plots. If no figure is currently open, then a new figure is created and the 4 lines are added with default parameters. Then the actual (non ideal) spectrogram is as shown in the figure below. com Octave and Dec 21, 2012 · By Unknown at Friday, December 21, 2012 MATLAB, MatLab Programs - IMPULSE - STEP - SINE - COSINE -TRIANGULAR - SAWTOOTH - EXPONENTIAL SIGNALS GROWING DECAYING 4 comments MatLab Programs In this post the matlab code for basic DSP signal generation are available. plot - How can I set subplot size in MATLAB figure Aug 23, 2021 · Create a parallel coordinates plot using a subset of the variables in the table. Semilog plot. This toolbar contains many options and features that can be used to manipulate your 3-D plot. pdf file. 5, "Plot manipulations" ). Each figure is a separate window that you can dock in the desktop, and Remove the axes box, and change the font size for the axes labels to 8 to look like the following picture: 1-46. What you see? The highest value is located at 11th position, which is nothing but 10th sample as matlab starts from 1. All Rights Reserved. Change Figure Size. matlab change axis size. The size needs to be preserved in the saved (i. After reading this book, you will understand how R Markdown documents are transformed from plain text and how you may customize nearly every step of this processing. Vignettes. 1. increase dimension plot window - MATLAB Answers - MATLAB. Multiple plots can be placed in the same window using the subplot(n,m,k) command. A_score = input ('Enter A grades, a 1 x n vector:'); %Accept grade B inputs. pyplot. Use the plot function to plot graph and digraph objects. Matlab Özel Ders Akademi. Once issued, succeeding plot commands affect the k th plot measured in column order in an n x m array of plots. The sandpile plot can be turned off to increase performance. 106125 Fatique tests were run with both high quality bearings and man faulted bearings, all of one size. Guide. Here it is: set (groot, 'defaultLineLineWidth' ,2. x = [0:5:100]; y = x; plot(x, y) When you run the file, MATLAB displays the following plot −. A sample of the sandpile plot is shown in the picture below. Log out: quit or To compare two vectors a vector norm (analogous to length, size) is introducedplt. For example, the xcorr function can compute the auto and cross correlations of a large set of data values. In the First step, We will draw a simple chart