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Catalytic


Last seen: Today Aktiv seit 2019

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

3 Tage vor | 0

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

3 Tage vor | 0

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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.

28 Tage vor | 0

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

etwa ein Monat vor | 1

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

etwa ein Monat vor | 1

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

etwa ein Monat vor | 1

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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; ...

etwa ein Monat vor | 0

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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...

etwa ein Monat vor | 0

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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...

etwa ein Monat vor | 0

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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...

etwa 2 Monate vor | 0

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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...

etwa 2 Monate vor | 0

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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(:,...

2 Monate vor | 0

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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 ...

2 Monate vor | 1

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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...

2 Monate vor | 1

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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])...

3 Monate vor | 0

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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...

3 Monate vor | 2

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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;

3 Monate vor | 0

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Uploading .mat files that contain nested structs into a datastore
I think the wisest course would be to reorganize your data and assign each "Unit" to its own separate .mat file.

3 Monate vor | 1

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Finding Transformation Matrix of a viewer3d object
Maybe you could use estimateCameraParameters using a list of hand-picked points.

3 Monate vor | 1

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How to restructure my objective function to optimise using genetic algorithm?
Follow this example - https://www.mathworks.com/help/gads/ga-nonlinear-constraint-problem-based.html

3 Monate vor | 0

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Zeroing matrix elements outside of a certain range.
Zeroing the data will not exclude it from the average. You should use NaNs, data = [1;2;3;4;5].*ones(5,2).*[0.5,0.4] range =...

3 Monate vor | 0

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Scattered Interpolant in matlab
No. There is no such thing as spline interpolation or extrapolation when you are dealing with scattered data. It is inherently a...

3 Monate vor | 1

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How can the data be accurately clustered?
Maybe clusterdata would be useful. It has lots of different algorithmic options you could try.

3 Monate vor | 0

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How do I add transparency to a plot in the Live Editor?
I find that this makes the lines dim in the Live Editor, like they appear in your post - plot([0, 1],[0, 1; 1, 0], 'Color', [1 ...

3 Monate vor | 0

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Unable to find explicit solution in Lagrangian optimization
An analytical solution for 0<rho<1 is - A=[1 0; 0 1; -1 0; 0 -1]*E; [fval,i]=min(A*[p1;p2]); e1=A(i,1); e2=A(i...

3 Monate vor | 1

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Beantwortet
error Unrecognized function or variable help me please :(!
signalsCell=load('signals').signals; PlotSignal(signalsCell, 3) function PlotSignal(signalsCell, n) Headings=signals...

3 Monate vor | 1

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difficulties using fmincon codes
however it still uses @SomnathsFunc2 i would be happy to exclude rather than this cant we direclty add that part in code rather ...

4 Monate vor | 1

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Beantwortet
Get equation of the surface from curve fitting
I would like to get a mathematical function that describes the surface of the 3D space, so I can, given a N and phi, get a value...

4 Monate vor | 0

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Adoption of Name=Value in Function Calls what is best practice?
One situation where you have to stick with the old style anyway is when you want to pre-package your name value pairs in a cell ...

4 Monate vor | 0

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Create a node in the space between two nodes (A and B) and following the direction normal to a node (N)
A = [-25.5530 -185.3199 -211.6502]; B = [-25.4769 -185.6468 -211.2523]; N = [-25.4602 -185.4676 -211.6694]; C=(...

4 Monate vor | 0

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