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Catalytic


Last seen: 5 days ago
77 total contributions since 2019

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Answered
Problems running gpuArray function - CUDA driver
Matlab R2020a requires CUDA Toolkit 10.1.

7 days ago | 0

Answered
EDITED: Variance when only one observation is not NaN
Omit 'omitnan'

7 days ago | 0

Answered
3D reconstruction from a 2D image
and I tried to use streo calibrator but it is giving error ' Dimensions of arrays being concatenated are not consistent matlab '...

7 days ago | 0

Answered
MajorAxisLength of two intersecting lines using regionprops
You should probably be using houghlines instead of regionprops.

12 days ago | 0

| accepted

Answered
naming using a string function
s.(x)=B

12 days ago | 0

Answered
Accessing subclass methods from abstract superclass
classdef (Abstract) ParentClass %PARENTCLASS Testing properties of abstract classes methods (Abstract = true, St...

25 days ago | 0

Answered
Indexing a 3D matrix with a 2D matrix
units=sub2ind([G,N],units,repmat(1:N,G,1) ); L(:,units)=temp(:,:);

25 days ago | 0

Answered
Extract the center of the coarse curve of binary image
bwskel(~Image)

25 days ago | 0

Answered
Plotting exponential periodic function
What should you do? You should correct whatever mistake it is you made.

3 months ago | 0

Question


Make axis background transparent
Is there an alpha parameter that sets the transparency of a plot's background axis color? I would like to be able to export a pl...

5 months ago | 1 answer | 0

1

answer

Answered
accessing cell data using brace indexing,
You need to check what predictors really is. It is not a cell array, as you believe.

12 months ago | 0

Answered
Load mat files more efficiently than if, elseif statement
filename=fullfile('Documents/event_picks', "event"+events); S=load(filename); x1=S.x1; y1=S.y1;

12 months ago | 0

| accepted

Answered
How to find min, max, and movmean for each page in multidimensional arrays
MIN=min(A,[],[1,2]); MAX=max(A,[],[1,2]); MOVMEAN=convn(A,ones(1,k)/k,'valid');

1 year ago | 0

Answered
How can I use graph object info to find: areas, number of sides, and perimeter lengths of a each connected polygon within a network of polygons?
Your attachment doesn't contain a graph object. However, perhaps it will help to mention that if you have the vertices of a poly...

1 year ago | 0

Answered
Could someone write some code to extract details within a for loop?
Something like this.... function stuff=getStuff(tgraph,arcNumber) AP=tgraph.ArcPoints; i=arcNumber; ...

1 year ago | 0

Question


Why is help() malfunctioning
Matlab seems to know that the help command is there, at least as far as which() is concerned >> which -all help C:\Program Fil...

1 year ago | 2 answers | 0

2

answers

Answered
Integrating a function including mvnpdf. Error: Input function must return 'double' or 'single' values. Found 'sym'.
Yes, that is the reason. Maybe you have made sigma or mu symbolic variables?

1 year ago | 0

Answered
Plotting two functions with ranges in one plot
You could also edit away the data points you don't want h=plot(x, M1, x, M2); ylim([-120,20]); h(1).XData(6:7)=[]; h(...

1 year ago | 0

Answered
Using relative tolerance with fmincon
Can you please update the document that stated that tolerances are absolute (it was posted by MATLAB staff)? No, we cannot. On...

1 year ago | 0

Answered
Confusion matrix not being clearly visible for larger output classes
See the ConfusionMatrixChart Properties.

1 year ago | 0

Answered
Why do I keep getting the error message array indices must be positive integers or logical values?
Why do I keep getting the error message array indices must be positive integers Because the h in X(h) is non-integer and the 0 ...

1 year ago | 0

Answered
optimization problem with two variable maxima and minima
fun=@(x) [2*x(1)^2+23.08*x(2)^2+4*(6+x(1))^2+24+14*(x(1)^2 +x(2)^2)^0.5+3*(x(1)^2+x(2)^2)-Y;... prod(x)-1]; x=fsol...

1 year ago | 0

Answered
matrix multiplication for "3-D" matrices
If you have the parallel computing toolbox, you can do this on the GPU with pagefun(@mtimes,A,B) but this may only provide gai...

1 year ago | 0

Answered
how to have function with scalar value
"I have a code and 2 objective functions" If you really do want to treat this as a multi-objective problem, you should probably...

1 year ago | 0

Answered
Build new matrix from look up table
C=CD( interp1(B,1:numel(B),A,'nearest') );

1 year ago | 1

| accepted

Answered
how to calculate area, perimeter and circularity of objects in an image using regionprops
Notice - >> a=1; %not displayed >> b=2, %displayed b = 2

1 year ago | 0

Answered
calculate std and mean for multiple variables automated
Observe - >> input=rand(10,5) input = 0.8147 0.1576 0.6557 0.7060 0.4387 0.9058 0.9706 0.0357...

1 year ago | 1

Answered
Accessing table variables in a class method
Here is an example to demonstrate that accessing tables by variable name works fine with value classes. Subclassing from 'handle...

1 year ago | 1

| accepted

Answered
How to curve fit an equation with sigma function
C = polyfit( sqrt( x.^2+y.^2) , Z, N)

1 year ago | 1

Answered
How can i determine the area in percentage of a clustered image?
Divide the membership of each cluster by the total number of pixels.

1 year ago | 0

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