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how parfor distributes resources to each iteration if the number of cores is larger than the number of iterations
You have to consider the number of workers, M, not just the number of cores, C. If M is the number of parpool workers and N is ...

2년 초과 전 | 1

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Fitting an ellipse based 3D PointCloud on 3D space
Using this fitting toolbox (you must download it), https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-t...

2년 초과 전 | 2

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Find coordinates inside a matrix with specific conditions
Using this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/87584-object-oriented-tools-for-fitting-conics-an...

2년 초과 전 | 0

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Improving the interpolation of nodes arranged in a circle on a plane
You could fit a circle to the given points and then resample it using this FEX download, https://www.mathworks.com/matlabcentra...

2년 초과 전 | 0

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Fast calculate the inverse of a lower triangular matrix
Do you really need the inverse of the matrix or do you need to solve a system of equations whose coefficient matrix is that lowe...

2년 초과 전 | 0

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sum results depending on array orientation
Now the inconsistent results is considered by TMW as a bug Here is what they said, After some investigation, I found out that ...

2년 초과 전 | 1

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matlab strange result for mean of single vs double
I reported the alternative example below to Tech Support and their reply was that they do in fact consider it a bug. I'm not sur...

2년 초과 전 | 1

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Get the last 4 digit number out of a string?
With more recent Matlab, str = "SomeName_1234_ABC_5678_1"; s=extract(str,"_"+digitsPattern(4)+"_"); last=erase(s{end},"_"...

2년 초과 전 | 2

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How to subtract two column vectors properly?
The relative error is the only thing you can expect to be small, which it is: DEsol = norm(unew-u)/norm(u) %relative error I...

2년 초과 전 | 0

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How to have legend in multiple rows and center aligned?
The second output of legendflex, https://www.mathworks.com/matlabcentral/fileexchange/31092-legendflex-m-a-more-flexible-custo...

2년 초과 전 | 0

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changing expression to function and then optimize the function
Do not use syms or matlabFunction for a situation like this. Just write a plain function to compute the expression, function ex...

2년 초과 전 | 0

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Create a 4D array from 3D array with 3 columns, and 1D (row only) array with 3 columns
How do I create a 4D variable that has data from arr1 and arr2, and looks like what I wrote in the beginning? My guess is its si...

2년 초과 전 | 0

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How to plot a polytope in MATLAB using a given matrix ?
You can obtain the linear equalities for the polytope using vert2lcon, https://www.mathworks.com/matlabcentral/fileexchange/308...

2년 초과 전 | 0

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Does DeepNetworkDesigner support Transformer Layers?
If the transformer layer is a custom layer that you have created for yourself, you would import it to deepNetworkDesigner from t...

2년 초과 전 | 0

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Probolem when using fmincon ：The solver starts from a feasible point but converges to an infeasible point
You seem to be under the impression that if the initial point x0 is feasible, then all future iterations will be feasible. There...

2년 초과 전 | 1

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An equivalent function to "imregionalmax" with higher speed
If you can count on the "peaks" to be a single pixel in size, you can just do, ispeak=A>=imdilate(A,ones(3)); %A is the image

2년 초과 전 | 1

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Connecting points to polygon
Your code can't be run because nearestIndices is not provided. Regardless, I would recommend using polyshape to represent and ...

2년 초과 전 | 0

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Determining the coordinates of a node between two known nodes and knowing the distances between the known nodes
Assuming the nodes form a straight line, C = A + (B-A)*d_AC/(d_AC+dCB)

2년 초과 전 | 0

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How to use "imregionalmax" without using for loop
Perhaps as follows, AF_Nuni = permute(AF_Nuni,[2,3,1]); %Avoid this permutation by forming AF_Nuni ...

2년 초과 전 | 1

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How can I speed up this function? #vectorize
I doubt a vectorized solution would be faster than the loop, but here is one way to vectorize it. [K,J,I]=ndgrid(1:n4,1:n1,1:n3...

2년 초과 전 | 1

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MATLAB parfor is slower than for -- any help to speed up of my loop cacluations within KDL function?
M=11 is a rather small number of iterations. If this is a realistic value, there may not be enough iterative work to make the ov...

2년 초과 전 | 0

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How to plot objective function with optimal solution
Perhaps as follows? A=[1 3;-1 2]; Aeq=[2 1]; beq=4; b=[5;-1]; f=[-1 -5]; lb=[0;0]; [x,Z]=linprog(f,A,b,Aeq,beq,lb); fpri...

2년 초과 전 | 1

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Derive function handle with a vector input argument
If you have the Deep Learning Toolbox, you can do automatic differentiation of vector-valued dlarrays, p=1:15; x0=dlarray(rand...

2년 초과 전 | 0

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how to make a region on a face of 3D geometry
Sounds like very elementary applications of patch and text.

2년 초과 전 | 0

Discussion


3D polyshapes
Is there a reason for TMW not to invest in 3D polyshapes? Is the mathematical complexity prohibitive?

2년 초과 전 | 2

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How do I create an offset buffer around an alphaShape?
Also, for learning purposes if anyone can offer an explanation to why alphaShape has so many functions but not a buffer function...

2년 초과 전 | 0

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stacked bar chart for multiple persons doing multiple tasks
There are a few FEX offerings that make Gantt charts, e.g., https://www.mathworks.com/matlabcentral/fileexchange/74994-gantt-ch...

2년 초과 전 | 0

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plotting a circle cap
Plotting a section of a circle over a particular angular range is easy. You just have to determine the range you need. R=2; t0...

2년 초과 전 | 0

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Accessing and changing the Y-limits of multiple figures
datasets = 4; clear ax for n = 1:datasets data = randn(1,1000*n,4); f(n) = figure; % fig handles % plot his...

2년 초과 전 | 1

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How to control the curvature of each edge when drawing graph object?
You do not have any direct control over how the edges are drawn. You do have control over the X,Y postiions of nodes, however, s...

2년 초과 전 | 1

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