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 ...

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 ...

2 months 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.

why vectorize function is not recommended?

A warning without an explanation is not a real warning. I say you just ignore it.

3 months ago | 1

Answered

Problems running gpuArray function - CUDA driver

Matlab R2020a requires CUDA Toolkit 10.1.

Problems running gpuArray function - CUDA driver

Matlab R2020a requires CUDA Toolkit 10.1.

4 months 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 '...

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 '...

4 months ago | 0

Answered

Line length and orientation angle of two or more intersecting lines

You should probably be using houghlines instead of regionprops.

Line length and orientation angle of two or more intersecting lines

You should probably be using houghlines instead of regionprops.

4 months ago | 0

| accepted

Answered

Accessing subclass methods from abstract superclass

classdef (Abstract) ParentClass %PARENTCLASS Testing properties of abstract classes methods (Abstract = true, St...

Accessing subclass methods from abstract superclass

classdef (Abstract) ParentClass %PARENTCLASS Testing properties of abstract classes methods (Abstract = true, St...

4 months ago | 0

Answered

Indexing a 3D matrix with a 2D matrix

units=sub2ind([G,N],units,repmat(1:N,G,1) ); L(:,units)=temp(:,:);

Indexing a 3D matrix with a 2D matrix

units=sub2ind([G,N],units,repmat(1:N,G,1) ); L(:,units)=temp(:,:);

4 months ago | 0

Answered

Plotting exponential periodic function

What should you do? You should correct whatever mistake it is you made.

Plotting exponential periodic function

What should you do? You should correct whatever mistake it is you made.

7 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...

9 months ago | 1 answer | 0

Answered

accessing cell data using brace indexing,

You need to check what predictors really is. It is not a cell array, as you believe.

accessing cell data using brace indexing,

You need to check what predictors really is. It is not a cell array, as you believe.

1 year 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;

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;

1 year 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');

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...

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; ...

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

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?

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(...

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...

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.

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 ...

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...

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...

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...

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') );

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

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...

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...

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