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Switch and Case using radio buttons
The tag is a string (technically a char vector). Include the quotes. case 'b1' and case 'b2'

4年以上前 | 0

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how to Expand the plot line in a function
The default x interval for fplot is [-5 5]. You can change it with the xinterval argument: fplot(y,[0,130]) You don't need an ...

4年以上前 | 0

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renaming a variable, or creating a dynamic variable name
If the cells are really holding Matlab tables, you could assign the sampleNames as table Descriptions: for idx = 1:n data{...

4年以上前 | 0

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Cannot install matlab on ubuntu 18.04
Try: xhost +SI:localuser:root sudo ./install https://www.mathworks.com/matlabcentral/answers/518584-how-do-i-install-on-ubunt...

4年以上前 | 15

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Extraction of non zero rows from a matrix
A = [magic(3);zeros(1,3)] svp = A~=0 extracted = reshape(A(svp),[],3) If there is a possibiity of finding zeros in a nonzerow...

4年以上前 | 0

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Replace negative values with zero and values above 1 with 1, using loop in a 8760 x 1000 matrix
Is there a reason you want to do it in a loop? Matlab excels at vectorized operations. The following is simpler and faster than...

4年以上前 | 0

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Formatting the fit function
epsilon = (0:0.2:5)'; load = 2*exp(-0.2*epsilon) + 0.5*randn(size(epsilon)); fitting = fit(epsilon, load, 'poly2'); plots = p...

4年以上前 | 0

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Plotting a contour of a function with one input variable
exes = linspace(-2*pi,2*pi); whys = exes; theta = [exes',whys']; takeOneInput(theta) You can pack as much as you want into a...

4年以上前 | 0

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How exactly does the gradient function work when applying it to an image?
If you type open gradient, in the Command window, the relevant code is: % Take forward differences on left and right edges if ...

4年以上前 | 0

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Merging row elements into single numbers
Edit: Use Star Strider's answer. It's faster. C = [3 4 5 6 7 9 1 5 8] C = double(string(C).join(''))

4年以上前 | 1

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How to get cell string array data and combine it as a 1 column only?
I'm going to guess you want a 1440x61 string array. stringArray = [replika_fix_menitan{:}] would give you the array. The {:} r...

4年以上前 | 0

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Why do writematrix et. al. have unexpected behavoir, e.g. they alter Excel formatting?
Please see this related link: https://www.mathworks.com/matlabcentral/answers/676588-writematrix-resizing-column-widths#answer_...

4年以上前 | 1

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Mathlab Instalattion problem error
You will probably get better help creating a service request directly with MathWorks. https://www.mathworks.com/support/contact...

4年以上前 | 0

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How to make a code more interactive (command window)?
disp("1 - spin") disp("2 - tumbling") disp("3 - three axis stab") ftype = input("Select function type by number: "); switch ...

4年以上前 | 1

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range isn't working
Yep, I don't think it's part of base Matlab. It works as you would expect if you install the Statistics and Machine Learning Too...

4年以上前 | 0

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Need to make surf plot in ode45
options = odeset('RelTol',1e-6,'Stats','on'); %initial conditions Xo = [0.5;0.7;2]; % Choose parameters t and a? t...

4年以上前 | 0

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Contour Graph/Plot displays edgy function
phi goes to +/- infinity near the origin. x = -10:1:10; y = -10:1:10; [X,Y] = meshgrid(x,y); mu = 0.001; phi = mu*(X./(X.^2...

4年以上前 | 0

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How to convert number to text in thousand format?
See: https://www.mathworks.com/matlabcentral/answers/96131-is-there-a-format-in-matlab-to-display-numbers-such-that-commas-are...

4年以上前 | 0

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Find index for a coordinate pair in cell array
detectedAsTrack = 0; detectedTracksList = []; idxs = xStates{curScan,1}(1,:)==xloc > 0 & xStates{curScan,1}(2,:)==yloc; if ...

4年以上前 | 0

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Finding the first instance of a value in an array
A = magic(5) for idx = 1:size(A,1) test = find(A(idx,:)>22,1); if isempty(test) test = 0; end coli...

4年以上前 | 0

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what is the equivalent script to TWISTER('state')
Yes, s.State for the default rng should be equivalent to S. The values in the state are used in the Twister algorithm to genera...

4年以上前 | 0

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How can I plot multiple matlab saved figures into one
I would recommend saving the data and then producing the images on the tiledlayout, but... % Open the figures open('short1.fig...

4年以上前 | 0

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How do I get the plot in my for loop to retain previous plots?
You are regenerating the figure and axes every time the if condition triggers. About the only thing you need inside the if is th...

4年以上前 | 1

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MATLAB computations on variables?
The symbolic toolbox is great for stuff like this. https://www.mathworks.com/help/symbolic/symbolic-computations-in-matlab.html...

4年以上前 | 0

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How to restart my program from a try/catch statment
With recursion, you could do something like this: val = 1; startThisAgain(val) function startThisAgain(val) disp('Be...

4年以上前 | 0

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I am getting error
In addition to dots in front of carets ( .^ ) and slashes ( ./ ), you need dots in front of the asterisks ( .* ) for elementwise...

4年以上前 | 0

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How to prevent axis off from removing the subtitle?
img = imread('cameraman.tif'); figure; tiledlayout(1,1) imagesc(img); title('A'); subtitle('B'); axis off tiledlayout req...

4年以上前 | 1

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13x8 Matrix Cubic Interpolation
Like this? V = [0.0000 0.0000 0.0000 0.0000 0.0000 0.0890 0.2860 0.4380; 0.0177 0.0648 0.0888 0.1070 0.1640 0.3680 0.5720 0.70...

4年以上前 | 1

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does not plot the normal distribution. Writes Unrecognized function or variable 'O'. What is the reason?
app.O is a property that needs to be declared in a properties block before it can be used. Since it's not declared, an error is...

4年以上前 | 0

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how to search specific data from matlab in excel
The last line is looking for a string 'T' in the first column of the table. You want to search for the variable T (no quotes). T...

4年以上前 | 0

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