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Catalytic


Last seen: 3 Tage vor |  Aktiv seit 2019

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Beantwortet
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...

3 Tage vor | 0

Beantwortet
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)'

3 Tage vor | 0

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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...

3 Tage vor | 0

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

10 Tage vor | 0

Beantwortet
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...

16 Tage vor | 0

Beantwortet
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 ...

24 Tage vor | 0

Beantwortet
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...

24 Tage vor | 0

Beantwortet
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...

24 Tage vor | 0

Beantwortet
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...

etwa ein Monat vor | 0

| akzeptiert

Beantwortet
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...

etwa 2 Monate vor | 0

Beantwortet
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...

etwa 2 Monate vor | 0

Beantwortet
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...

etwa 2 Monate vor | 0

Beantwortet
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...

etwa 2 Monate vor | 1

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

3 Monate vor | 0

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

4 Monate vor | 0

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

4 Monate vor | 0

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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 Monate vor | 1

Beantwortet
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 Monate vor | 0

Beantwortet
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 Monate vor | 0

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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 Monate vor | 0

Beantwortet
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 Monate vor | 0

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

8 Monate vor | 0

Beantwortet
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 Monate vor | 0

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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;

8 Monate vor | 0

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

8 Monate vor | 0

| akzeptiert

Beantwortet
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 Monate vor | 0

| akzeptiert

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

9 Monate vor | 0

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

9 Monate vor | 0

Beantwortet
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 Monate vor | 0

Beantwortet
Optimization of parameters in template matching
cost = interp1( -simvals, t_min,'cubic');

10 Monate vor | 1

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