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Catalytic


Last seen: 21 giorni ago
80 total contributions since 2019

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Answered
How to solve an equation with matrices?
Kx=( (B*Delta)\(Am-A) ).'; Kr=( (B*Delta)\(Bm) ).';

21 giorni ago | 0

| accepted

Answered
slp method to minimize function
The error message was generated by your own code, in this line assert(length(x)==5, "x should be 5 elements long, but instead ...

3 mesi ago | 0

Answered
why vectorize function is not recommended?
A warning without an explanation is not a real warning. I say you just ignore it.

4 mesi ago | 1

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

5 mesi ago | 0

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

5 mesi 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 '...

5 mesi ago | 0

Answered
Line length and orientation angle of two or more intersecting lines
You should probably be using houghlines instead of regionprops.

5 mesi ago | 0

| accepted

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

5 mesi ago | 0

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

6 mesi ago | 0

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

6 mesi ago | 0

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

6 mesi ago | 0

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

8 mesi 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...

10 mesi 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.

oltre un anno 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;

oltre un anno 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');

oltre un anno 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...

oltre un anno 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; ...

oltre un anno 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...

oltre un anno 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?

oltre un anno 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(...

oltre un anno 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...

oltre un anno ago | 0

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

oltre un anno 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 ...

oltre un anno 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...

circa 2 anni 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...

circa 2 anni 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...

circa 2 anni ago | 0

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

circa 2 anni 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

circa 2 anni 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...

circa 2 anni ago | 1

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