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Create a 4D array from 3D array with 3 columns, and 1D (row only) array with 3 columns
So, could it be that myVar has 4 arrays inside it To me, it doesn't sound like you are talking about a 4D array at all, but ins...

más de 2 años hace | 0

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How to visualize histogram
You can use the histogram command with hold to superimpose them.

más de 2 años hace | 0

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shortestpath between two points on skeleton in binary image
You can use bwdistgeodesic.

más de 2 años hace | 0

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Why does abs cause bad matlabfunction evaluation?
The real problem appears to be that f is not fully simplified, and therefore the Symbolic Toolbox tries to naively apply the Cha...

más de 2 años hace | 2

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How to save .mat files on the disk after each iteration?
Often, you would put all images with the same label in the same folder - Folders={'Label1','Label2','Label3'}; for j=1:nu...

más de 2 años hace | 1

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Curve fitting a function that is dependent on a difference of 2d functions
There appears to be a simple analytical solution - constant=(0.0025)^(-5/3)*(2*Lambda^2*0.1816)/D^(1/3); DTV=(cX+cY)*consta...

más de 2 años hace | 0

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Calling functions that have a variable name
That sounds like a bad idea. You should probably make a single function where (n,k) are one of the arguments - function oneFun...

más de 2 años hace | 3

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Trapezoidal Rule of Convolution with Non-Uniform Intervals
I don't believe there is such a thing as the "Trapezoidal Rule of Convolution". Undoubtedly, you are thinking of the trapezoidal...

más de 2 años hace | 0

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cut the object in space (separate a 3D object into two distinct parts) using a plane
The IsoCut command here looks like it will do this - https://www.mathworks.com/matlabcentral/fileexchange/87112-isocut

más de 2 años hace | 0

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How to trace the minimum and maximum lines of the image of the moiré franges?
Something like this might also work - A=load('Image').Image; T=findEdges(A,'top',10); B=findEdges(A,'bottom',10); C=fin...

más de 2 años hace | 1

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Changing color in matlab
A = imread('xyz_converted.png'); [R,G,B] = imsplit(A); B=cat(3,G, 0*R,0*B); imshow(B)

más de 2 años hace | 0

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Speed up process of passing each row of large array to external function
This reduces it to one loop, which should work with parfor - x = lambdas; % 1 x 1927 element vector intt=int'; logg=nan...

más de 2 años hace | 0

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Using datastore for a matrix
If you're not going to store your data in memory, then the training samples have to be split up into separate .mat files. You co...

más de 2 años hace | 1

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fmincon with handle function input
No, the objective function that you give to fmincon can contain anything, but fmincon's algorithms will assume that the input-to...

más de 2 años hace | 2

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Why is it necessary/useful to have a HandleCompatible attribute?
Maybe because in some cases you may want a class to have copy-by-reference semantics but you want its subclasses to have regular...

más de 2 años hace | 0

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How to prove that a destructor must be defined for the Value classes
I think there is an argument to be made for allowing destructors to be defined by value classes, but not for memory management p...

casi 3 años hace | 2

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Indexing a struct inside a struct
If Stint is a struct array, as you say, then it should be indexed with parentheses (), not braces {}, dataA.Stint(jj) Convers...

casi 3 años hace | 0

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In the framework FEX, How do I change the projection of 3d points in a different 2D plane (currently it is in XY and want to change it to YX)
Since this concerns an FEX submission, you should probably ask the question in the discussion page of that submission. However,...

casi 3 años hace | 1

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How to adjust plots with several subplots with different loops?
ord={x,z,w}; for i=1:3 subplot(1,3,i); h=plot(ord{i},y,'LineWidth',4); [h.Color]=deal('cyan','red','blue...

casi 3 años hace | 0

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Calculate multivariable equation with Matlab
You need some sort of model for the line slopes and intercepts as a function of the amperage. There are infinitely many that can...

casi 3 años hace | 0

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find the index number using bsxfun command
bsxfun has been deprecated since R2016b. Just use implicit expansion. A = [12 13 15 1]; B = [1 2 12 15 10 13 11 14 3 4 5 6 7 8...

alrededor de 3 años hace | 0

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How do I change only one variable in an equation and plot the response for this equation on a graph for all of the different values of this one variable?
F=1;K=1; DR = [0, 0.2, 0.4, 0.6, 0.8]; r=linspace(0,5)'; A = (F/K) ./ sqrt(((1 - (r.^2)).^2) + (4.*DR.^2.*r.^2)); plot...

alrededor de 3 años hace | 0

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Using the surf and meshgrid command
Use fimplicit3 instead fimplicit3(@(x,y,z) y - sin(x.* cos(z)) ,[-1,1] )

alrededor de 3 años hace | 0

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Display outputs of lsqnonlin in APP designer
Use the OutputFcn option to obtain the values used to populate the iterative display. Then print those values whenever and howev...

alrededor de 3 años hace | 2

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Anyone know what is wrong with my T2* calculations?
The problem with try...catch is that if you have any coding errors in the try block, it will never get executed. Here, you are u...

alrededor de 3 años hace | 2

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insert singelton dimension for broadcasting
Inserting dimensions seems like as much a pain as reshape, but if you must do it that way, here's an approach closer to the Pyth...

alrededor de 3 años hace | 1

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How to find the angle of a line with respect to plot window
For context, I am trying to use this angle to produce some text that has the same angle as the line There are File Exchange pos...

alrededor de 3 años hace | 1

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Is there an option to overwrite the old release when installing a new one?
No, there is not. You should always manually uninstall any versions you don't want. It is probably a good thing that they make y...

alrededor de 3 años hace | 2

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insert singelton dimension for broadcasting
You could also create your own specialized function that does it - [M,N,P,K]=deal(2,3,4,5); A=rand(M,N,P); B=rand(M,N,K); ...

alrededor de 3 años hace | 1

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insert singelton dimension for broadcasting
You didn't complete your description of why reshape() is "a bit annoying". If you're going to be doing the same operation repea...

alrededor de 3 años hace | 0