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Catalytic


Last seen: 7 days ago |  Active since 2019

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

7 days 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.

2 months ago | 0

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

2 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)

2 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...

2 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...

4 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 ...

5 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...

5 months ago | 0

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

5 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([...

5 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;

6 months ago | 0

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

6 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...

6 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)

6 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

6 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.

7 months ago | 0

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

7 months ago | 1

Answered
how can i stop this while loop? it doesn;t finish
if abs( out.soc_fin(end)-soc_target ) <= 1.5

7 months ago | 1

Answered
Class property validator reports an error if no default value is set
classdef MyClass properties WriteFunc end methods function obj = MyClass(varargin) ...

7 months ago | 1

Answered
How to use a matrix element to define a changing variable
Use a single '=' sign for assigning values, not '=='. if M(j,k)>0 p(j,k)=0.9; ...

7 months ago | 0

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Answered
Training with trainNetwork failed. The value of 'ValidationData' is invalid. The datastore used for 'ValidationData' must return a table or cell array 2 columns.with at least
Your ValidationData is just an arrayDatastore of input data. The error message has told you that it must include input and outpu...

7 months ago | 0

Answered
Root LP problem is unbounded
Nobody can help you troubleshoot the error, because it is not a coding error. It is an error of problem definition. You have pro...

8 months ago | 0

Answered
multiple 3D plane plotting
planedip = [30, 60 90]'; planeazim = [120, 90, 270]'; center=[2,3,0; 6,8,0; 10 15,0]; dip_angle_rad = deg...

8 months ago | 0

Answered
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?
It's hard to know exactly what's going on in your code, because every variable and function name has the string "measurement" i...

8 months ago | 0

Answered
Delete Negative Duplicates from Array
X=rand(3,4); X=[X,-X(:,1)] [~,~,G]=unique([X,-X]','rows');; [N,~,bin]=histcounts(G,1:max(G)+1); bin=bin(1:end/2); X(:,...

8 months ago | 0

Answered
Matrixes not multiplying correctly using for loops
One loop - [n,w]=size(a); [h,m]=size(b); if w~=h error('Inner dimensions do not agree.') end c=0; for k = 1 : w ...

8 months ago | 1

Answered
Weird unexplainable results when fitting gaussian curve
Supply a better initial guess than what fit() defaults to - load data a0=max(y2) %initial a b0=x(find(y2==max(y2),1)) %in...

8 months ago | 1

Answered
How to find the span of a matrix in matlab?
Use orth and null, A = [-1 -5 -1 10 0 5; 1 5 0 -4 0 -5;2 10 -1 -2 -1 -7;-1 -5 2 -8 2 -1]; spanset=orth(A) rank([A,spanset])...

9 months ago | 0

Answered
How to use GPU to speed up computation?
Using the GPU in conjunction with parfor will not be productive unless you have a multi-GPU system and assign each parpool worke...

9 months ago | 2

Answered
Discretizing a column array, and performing operations on elements of another column array of the same length that lie in the same bins as the original one
I=findgroups(discretize(Z,edges)) ; S=sparse(I,(1:numel(I))', 1); S=S./sum(S,2); Fbinned = S*F;

9 months ago | 0

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