Answered
Getting "Unrecognized function or variable 'reshape'" error!!
reshape([1 2 3 4],:,1); Notice the : . : by itself can only appear (a) in comments; (b) in character vectors; (c) in string...

2 Tage ago | 1

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Answered
Unsure why heatmaps cannot be produced.
imgetfile() is part of the Image Processing Toolbox. The code would fail if you do not have that toolbox installed and licensed....

2 Tage ago | 0

Answered
How can I solve dimension problem? Simulink
You need to transpose the data in the file. The first row is the time stamps and rows after that are samples for that time. You ...

2 Tage ago | 0

Answered
How can I plot this picture!!!?
plot([x, x, repmat([x-delta,x+delta,nan],1,9)], [0, 1,.1,.1,nan,.2,.2,nan,.3,.3,nan,.4,.4,nan,.5,.5,nan,.6,.6,nan,.7,.7,nan,.8,...

2 Tage ago | 0

Answered
the funcion of "load" might have mistakes while loading the hexadecmial number. The hexadecimal numbers start with "0x".
https://www.mathworks.com/help/matlab/ref/load.html#btm0etn-1-filename ASCII files must contain a rectangular table of number...

2 Tage ago | 0

Answered
Unable to perform assignment because brace indexing is not supported for variables of this type.
data{iBlob, 1} = features.Centroid(2); data{iBlob, 2} = features.Centroid(1); data{iBlob, 3} = iBlob; data{iB...

2 Tage ago | 0

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Answered
Is exp() a Documented Function in the Symbolic Math Toolbox?
There is no doc for it. help sym/exp gives very brief help (nearly useless)

2 Tage ago | 0

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where are the errors in my code? please help me!!
Your first solve() returns multiple roots. Your vpasolve() is then trying to process all of the roots at the same time . Remem...

3 Tage ago | 0

Answered
looping through multiple numbers
a_t(i) = A(A(:,2) > avsize(i),:);

3 Tage ago | 0

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Answered
collect coefficient of a symbolic variable in mathematical expression
Use coeffs() syms T m_q m_p x(t) z(t) x_dot(t) x_ddot(t) z_dot(t) alpha(t) z_ddot(t) alpha_dot(t) alpha_ddot(t) theta(t) theta...

3 Tage ago | 0

Answered
Why legend doesn't match plot
allOri = unique(ori); The size of that is not known ahead of time. You construct hPlot(li) elements over two separate loops th...

3 Tage ago | 0

Answered
How to determine coefficients by fit for multiple series of data?
x = [2,4,6,NaN,NaN; 2,4,6,8,10; 2,4,6,8,NaN]; y = [3,5,7,NaN,NaN; 4,8,11,25,32; 7,10,15,17,NaN]; D = [3;5;7]; N = size(x, 1);...

3 Tage ago | 0

Answered
Colour code to find how big a function is
f = (y-x)./(1+x.^2); then https://www.mathworks.com/matlabcentral/fileexchange/39972-colormapline-color-changing-2d-or-3d-lin...

3 Tage ago | 0

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Answered
Error using trapz (line 47) Dimension argument must be a positive integer scalar within indexing range.
syms x; Symbolic drivative = diff(A(i,1)*x^2+A(i,2)*x+A(i,3)); Symbolic because x is symbolic. Ty = sqrt(1+(drivative^2)); ...

3 Tage ago | 0

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How can I lower to 0 the base of a window signal?
subtract min(signal) from signal

3 Tage ago | 0

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Writing cells to text file without double quotes
fprintf(fid, "%s\n", YourCell{:})

3 Tage ago | 0

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Answered
indexing error, out of index error
size = []; size is now an empty variable ndata = size(xdata,1) You are trying to index the empty variable

3 Tage ago | 0

Answered
Is it possible to bin/discretize multidimensional matrices?
bins = discretize(TheMatrix, Vector_of_Breakpoints); It does not matter how many entries are in Vector_of_Breakpoints as long a...

3 Tage ago | 0

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Answered
Unrecognized function or variable 'gausswin'
eml_invariant is a function that would normally only be used during code generation. setdiff() and computer() do not contain any...

3 Tage ago | 0

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what is eml_invariant function ?
eml_invariant is a function that would normally only be used during code generation. setdiff() and computer() do not contain any...

3 Tage ago | 0

Answered
Register COM Matlab Application TLB for certain version on when multiple versions installed
See https://www.mathworks.com/help/matlab/matlab_external/register-matlab-as-automation-server.html for R2020a and later.

3 Tage ago | 0

Answered
Why the function or variable A is not recognized?
You have not defined A in the base workspace, so it does not exist for you to be able to pass its value into the function.

3 Tage ago | 0

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Answered
How can I find "evaluateFit" function of matlab?
https://github.com/Hassan1503/MATLAB-UDF/blob/main/evaluateFit.m has the source code.

3 Tage ago | 0

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Answered
How to linear fit two y variables in same plot?
polyfit(x1, y1, 1)

3 Tage ago | 0

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Answered
Is it possible to use Matlab to get expressions for the coefficients in polynomial regression? (I.e., not just constant coefficients)
For each equation divide both sides by the highest negative coefficient, k4(Xhat)/Xhat^(-2) = a8*Xhat^(-2)/Xhat^(-2) + etc ...

3 Tage ago | 0

Answered
Arduino using matlab GUI, The current sensor gives a value without connecting anything.
That is expected for any input line that is not pulled high or pulled low.

3 Tage ago | 0

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Writing fitness function in multi objective GA
mobj = @(x) [fun1(x); fun2(x) ]

3 Tage ago | 0

Answered
i can't save my plot as a png
You are cd to a directory that you do not have write access to. In particular you might be cd to the matlab installation directo...

3 Tage ago | 0

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Answered
Getting - Matrix dimensions must agree, using surf
When you call surf(X, Y, Z) in your very old release, the number rows in Z must match the number of rows in Y and the number of ...

3 Tage ago | 0

Answered
Hello, our collaborator has installed Matlab Runtime v9.7, why he gets the error "Matlab.exe not found" ?
MATLAB Component Runtime is *only* used to execute programs compiled with MATLAB R2019b (and no other versions) . It is *not* MA...

3 Tage ago | 0

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