Answered

How to solve an equation with matrices?

Kx=( (B*Delta)\(Am-A) ).'; Kr=( (B*Delta)\(Bm) ).';

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 ...

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.

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.

Problems running gpuArray function - CUDA driver

Matlab R2020a requires CUDA Toolkit 10.1.

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 '...

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.

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

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...

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(:,:);

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

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.

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

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.

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;

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');

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...

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; ...

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

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?

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(...

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...

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.

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 ...

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...

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...

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...

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') );

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

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...

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