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Catalytic


Last seen: 5 days ago |  Active since 2019

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Answered
nargin of optional arugments
func(1,arg2=3,arg3=5) function func(arg1,names,values) arguments arg1 = 1 end arguments (Repeating)...

5 days ago | 0

Answered
Setting global variables independently on each worker for parallel computation
i am not looking for the variable to be assigned globally across all workers but to be assigned globally within each local worke...

10 days ago | 0

Answered
Why are these zeros adding themselves to the array?
ex1=[2.0000 2.5000 0 2.7083 0 2.7181 0 0 0 2.7183] ex1=nonzeros(ex1)'

10 days ago | 0

Answered
fminunc step size too small
The solution I have found is to provide the function with my own calculated gradient and manually multiplying it by 1e6. That m...

10 days ago | 0

Answered
Convert Set of (x,y) Coordinates Into Polygon
load coordinates shp = alphaShape(coords(:,1),coords(:,2),'HoleThreshold',50); [~,P]=boundaryFacets(shp); chull=convhul...

17 days ago | 0

Answered
How do I set up fmincon correctly for parallel computation? "Supplied objective function must return a scalar value"
There are other acceleration strategies that may be superior to parallelization. I notice in your examples that the in1,in2 pai...

23 days ago | 0

Answered
Complex multiplication giving incorrect result
You can also pre-sort - A = 1.0e+08 *[-1.1051 + 0.0000i , -0.4594 + 1.8182i, -0.4594 - 1.8182i, -0.2933 + 2.8161i , -0.2933 ...

1 month ago | 0

Answered
define an objective function with user defined number of variables in fminunc()
In the narrow case where your fun is always going to be an anonymous function of x, you could do this - xmin=problem( @(x) x...

1 month ago | 0

Answered
Deconvolution of two different Gaussians
Is it possible to deconvolve the resultant in such a way that I see espread? Since you deconvolve y by espread, of course you w...

1 month ago | 0

Answered
Command Window prompt stays in view during Run Section
A simple way to get rid of it, I find, is to just execute any command at the prompt even a trivial one like a single number. For...

1 month ago | 0

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Answered
Help fixing different sized plots with tiled layout
axis equal does not ensure that the plot box reserved for the image will fit around it tightly. For that, you must add axis tigh...

2 months ago | 0

Answered
How to get correct pixel size in 2D after cut 3D voxel using obliqueslice
The pixels sizes in the slice images are always 1, as you can see below. The dimensions of the slice are a harder thing to predi...

2 months ago | 0

Answered
How to count the amount of small squares in this picture?
BW=imbinarize(im2gray(imread('image.png'))); BW([1,end],:)=0; BW(:,[1,end])=0; BW=imopen(BW,ones(2)); nv=numAlong(B...

2 months ago | 0

Answered
What is the state structure for mixed integer ga optimization?
I assume the "state structure" you're talking about is for an OutputFcn. If so, the state structure is not something that can be...

2 months ago | 1

Answered
Linear indices from colon operator
K=createArray(size(array),Fill=sparse(0)); K(p1:p2,p3:p4)=1; out=find(K); %linear indices

3 months ago | 0

Answered
How to find the sensitivity of the model output if it is a variable for repeated assignment?
Do what the error message says.

4 months ago | 0

Answered
methods in separate files
You cannot have both a method and a property named nch.

4 months ago | 0

Answered
Chasing what is wrong with 'dual-simplex-highs' in linprog
intlinprog offers some additional diagnostic output - load('linprog_test.mat') intlinprog(c,[], [], [], Aeq, beq, LB, UB)

5 months ago | 1

Answered
How to log the data in the workspace without modifying the content of the for loop?
I also do not see how B is a loop if it doesn't have it's own iterations. But anyway, maybe this is what you meant - storedDat...

5 months ago | 0

Answered
GPU memory usage for Hadamard product
Does MATLAB implicitly convert B to a full matrix? When you say this, are you implying that issparse(B)=true? If so, then it is...

7 months ago | 0

Answered
Resolve: "Dot indexing is not supported for variables of this type."
You need to stop the code at rawDataReader>initDisplayPage (line 716) and examine what type of variable jframe is. According to ...

7 months ago | 0

Answered
Merging different legend labels
x1 = [1, 2 ,3, 4, 5]; y1 = [5, 3, 2.8, 1.7, 1.2]; y2 = [6.5, 4.7, 3.5, 1.9, 1.3]; x2 = [1, 2, 3, 4, 5]; y3 = [6, 5.6, 3.1, 2...

7 months ago | 0

Answered
How to upsample an ECG signal and its associated data?
Use interp1 to sample the signals where you want.

8 months ago | 0

Answered
How to distinguish pressing cancel vs entering an empty string in inputdlg?
You could also do this - while badFileName == true attemptsLeft = num2str(5 - errorCounter); outputName = inputdlg([...

8 months ago | 0

Answered
Solve ill-conditioned linear systems
If b has no noise in it, you could try normalizing the rows of A a=vecnorm(A,2,2); A=A./a;b=b./a; x=A\b;

9 months ago | 0

Answered
How do I export a matlabb app?
It should be enough to give them the .mlapp file.

9 months ago | 0

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Answered
How do I put a uitable in a tiledlayout?
Must it be a table that the user can modify interactively? If not, then you could use the attached non-UI version of uitable (co...

9 months ago | 0

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Answered
Normalising multiple columns of a matrix to a fraction of its maximum value
Data=normalize(Data,1,'norm',inf)

9 months ago | 0

Answered
Use of tensorprod function to compute multilinear forms
res=A; for i=1:ndims(A) res = tensorprod(res,v,1); end res

9 months ago | 0

Answered
Error Using Reshape in MATLAB
By checking the size of "decoded_low" in line 26. You will see that it does not have the same number of elements as lenna_gray.

10 months ago | 0

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