Question

Hovering in debug mode triggers a jump into get.property() methods
I have been experiencing an aggravating thing for the past several Matlab releases and for which I am looking for troubleshootin...

2 years ago | 1 answer | 1

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Delete Negative Duplicates from Array
X=randi(9,3,4); X=[X,-X(:,1:2)] map=triu(squeeze(~any(X+reshape(X,3,1,[]),1))); [I,J]=find(map); X(:,[I;J])=[]

2 years ago | 0

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Area under the plot
bwarea(I_rev)

2 years ago | 0

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fill color between two curve
prf=3500; NumberOfAmbigiousArea=30; m=(1:NumberOfAmbigiousArea); rx = zeros(1,2*length(m)); %%%Distance of Amb Area p=prf...

2 years ago | 1

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pulling non-consistent arrays out of a structure
Here's a way you can extract and concatenate all the x,y data. However, I don't understand what you are trying to do with the m...

2 years ago | 0

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How to assign outputs of a function to an anonymous function in order to optimize with lsqcurvefit
% test data xdata = ... [0.9 1.5 13.8 19.8 24.1 28.2 35.2 60.3 74.6 81.3]; ydata = ... [455.2 428.6 124.1 67.3 43.2 28.1 1...

2 years ago | 0

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Converting FEA data as table into n-D gridded-data Array for Use with 'griddedInterpolant'
x=unique(t{:,1}); nx=numel(x); y=unique(t{:,2}); ny=numel(y); z=unique(t{:,3}); nz=numel(z); v=permute( reshape(t{:,4},[ny,...

2 years ago | 0

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LU decomposition with 5 output arguments
dA=decomposition(A,'ldl'); x=dA\b;

2 years ago | 1

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How to plot 3D image in MATLAB?
volshow(Image.*(Image>=threshold)) There are also a number of 3D viewers offered on the File Exchange.

2 years ago | 0

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Issue with finding circle and it's center in the image
Your posted code cannot be run by us and tested because input data and your homemade imgshow() function are not provided. Howeve...

2 years ago | 0

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Matrixes not multiplying correctly using for loops
[n,w]=size(a); [h,m]=size(b); assert(w==h,'Inner dimensions incompatible') c=zeros(n,m); for i = 1 : n for j = 1 : m...

2 years ago | 1

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How to plot a large number of rectangles from a matrix
I don't really see why you need to find bounding rectangles to do what you describe. You could just represent the regions as pol...

2 years ago | 0

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Writing a function that accepts input argument that is one of 3 things
Does it want me to print the results of y using the fprintf function? No, it wants you to write the function fcn so that it beh...

2 years ago | 1

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Weird unexplainable results when fitting gaussian curve
You need bounds to regularize the problem, load data [~,g]=fit(x(:),y2(:),'gauss1'); R2=g.rsquare [~,g]=fit(x(:),y2(:),...

2 years ago | 1

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Write a MatLab script to plot two ellipses using the plot function
As an example, here is a way to plot an unrotated ellipse of known major/minor axis lengths a,b. a=5; b=3; %major/minor axes ...

2 years ago | 0

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Does lsqnonlin handle a matrix objective function?
The matrix dimensions of the objective function output can be whatever you wish. It doesn't affect anything. The initialGuess c...

2 years ago | 1

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I need to run code written for NVIDIA GPUs with at least 8gb of RAM
According to this, https://hub.docker.com/r/mathworks/matlab campus-wide licenses are "already configured for cloud use".

2 years ago | 0

Question

Is there a way to compute the n-th symbolic derivative of a function where n is also symbolic?
Is there a way to compute the n-th symbolic derivative of a function, where n is also a symbolic variable? The following does no...

2 years ago | 1 answer | 0

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Given a taylor series of a function f, how do I get the original function f
syms x k f = symsum(x^k/factorial(k),k,0,Inf)

2 years ago | 0

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How to obtain all permutations of multiple cell arrays?
Using this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/115340-block-transposition-permutation-and-reshap...

2 years ago | 0

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How to obtain all permutations of multiple cell arrays?
This is better because the for loop is only 6 iterations long. A={'a1'; 'a2'; 'a3'}; B={'b1'; 'b2'}; C={'c1'; 'c2'; 'c3'; 'c4...

2 years ago | 0

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Vectors must be the same length
i = gradient(q(:, 1),t); % Current derivative U_R = R * i; % Resistor's voltage U_L = L * gradient(i,t); ...

2 years ago | 1

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affine3d used for pure rotation causes translational misalignment
I don't really understand how your posted images show that something is wrong. It shows that the image has changed after the war...

2 years ago | 0

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Non linear fit extremely bad : what am I doing wrong ?
There are ways to derive an accurate x0 more systematically, e.g., rng('default') t = 0:0.02:10; x = t.*sin(2*pi*1*t) + 0.1*ra...

2 years ago | 0

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How to avoid counting elements in each row of matrix multiple times?
Xedges=linspace(Xmin,Xmax, Nbin+1); Yedges=linspace(Ymin,Ymax, Nbin+1); N=0; for i=1:height(X) deltaN = histcounts...

2 years ago | 0

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How to put different size vectors to one matrix or mat file?
To save to a .mat file save filename d1 d2 d3 d4 To retrieve them, packaged in a struct variable, S=load('filename'); To wri...

2 years ago | 1

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finding the value of a corresponding column in matrix
models = A(A(:,1)==40,2)

2 years ago | 0

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lsqcurvefit answer upon termination?
You can use a nested OutputFcn, like in this example, https://www.mathworks.com/help/matlab/math/output-functions.html#bsgpq6q-...

2 years ago | 0

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Newton Raphson gives answers divided by 0
Raw Newton-Raphson is a pretty terrible method, but I assume you'll tell us you have no choice... [f,M]=preanalysis(); %Symbo...

2 years ago | 0

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Adding elements to matrix
A=[1 2 3 4 5 6 7 8 9 10] B=[reshape(A,2,[]); zeros(1,numel(A)/2)]; B=[0,B(:)'] %the result

2 years ago | 1

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