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Constructing a 3D matrix out of single column coordinate data with a corresponding value
Let's call your Nx4 matrix XYZV. xyzv=num2cell(sortrows(XYZV,[3,2,1]) ,1); [I,J,K,V] =deal(xyzv{:}); I=findgroups(I); J=...

26日前 | 0

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Constructing a 3D matrix out of single column coordinate data with a corresponding value
If you are trying to query velocity values at arbitrary 3D locations, do not use a 3D array. Instead, use scatteredInterpolant o...

26日前 | 0

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How to close a figure made in one function, from a different function
How do I define ax in function B so that I can close Plot A You don't. You create ax in function A (it is obtained from the pl...

26日前 | 0

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Merging files based on location similarity use polyshape and overlaps
The variable naming in your posted code doesn't reflect the terminology in your text explanation, making it hard to interpret. T...

27日前 | 0

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Multiple ylabels for tiledlayout
One approach would be to create a 2x1 tiledlayout where inside each tile you nest another tiledlayout of dimension 2x6. You can ...

28日前 | 0

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lsqnonlin (lsqcurvefit , fmincon) does not change the variables in an optimization process to find the best fit
Consider the various recommendations at, https://www.mathworks.com/help/optim/ug/optimizing-a-simulation-or-ordinary-differenti...

28日前 | 1

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Loop through list of vectors (ie, the rows of a matrix), applying same "simple" function to each one, on GPU? Should I use arrayfun somehow?
Well whether you use the GPU or not, you don't have to loop across measurements. The operations in your example are trivial to v...

28日前 | 0

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質問

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...

29日前 | 0 件の回答 | 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])=[]

29日前 | 0

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Area under the plot
bwarea(I_rev)

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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,...

約1ヶ月前 | 0

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

約1ヶ月前 | 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.

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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(:),...

約1ヶ月前 | 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 ...

約1ヶ月前 | 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...

約1ヶ月前 | 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".

約1ヶ月前 | 0

質問

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...

約1ヶ月前 | 1 件の回答 | 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)

約1ヶ月前 | 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...

約1ヶ月前 | 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...

約1ヶ月前 | 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); ...

約1ヶ月前 | 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...

約1ヶ月前 | 0

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