Answered

Given an instance of a class (without knowing class name), how to call the constructor?

Since your class doesn't inherit from handle the assignment operator will give you a copy of the correct class. However, this w...

Given an instance of a class (without knowing class name), how to call the constructor?

Since your class doesn't inherit from handle the assignment operator will give you a copy of the correct class. However, this w...

3 mesi ago | 0

Answered

Create a specular colormap

figure; imagesc( rand(100) - 0.5 ); % Random data centred on 0 baseCmap = hot( 256 ); cmap = [ flip( baseCmap(2:end,:) ); base...

Create a specular colormap

figure; imagesc( rand(100) - 0.5 ); % Random data centred on 0 baseCmap = hot( 256 ); cmap = [ flip( baseCmap(2:end,:) ); base...

3 mesi ago | 1

| accepted

Answered

calculate the mean square error

Calculate the error, square it and calculate the mean! mean( ( a - b ).^2 );

calculate the mean square error

Calculate the error, square it and calculate the mean! mean( ( a - b ).^2 );

3 mesi ago | 0

Answered

How to keep for loop from over writing variables?

You aren't indexing anything on the left-hand side of all those lines, which is the side where things are stored/overwritten. e....

How to keep for loop from over writing variables?

You aren't indexing anything on the left-hand side of all those lines, which is the side where things are stored/overwritten. e....

3 mesi ago | 0

| accepted

Answered

I have array with different length I would put them in one matrix

t = [t1, t2, t3]; will concatenate them. Obviously you can't put them together as individual columns or rows in a numeric ma...

I have array with different length I would put them in one matrix

t = [t1, t2, t3]; will concatenate them. Obviously you can't put them together as individual columns or rows in a numeric ma...

3 mesi ago | 0

Answered

Wish-list for MATLAB Answer sections.

Do we have to have the 'This website uses cookies...' message at the bottom of the Matlab Answers website every single day when ...

Wish-list for MATLAB Answer sections.

Do we have to have the 'This website uses cookies...' message at the bottom of the Matlab Answers website every single day when ...

3 mesi ago | 1

Answered

Function to fill an array given conditions.

validIdx = pressure >= minVal & pressure < maxVal; datenew = date( validIdx ); phnew = ph( validIdx ); should do this for y...

Function to fill an array given conditions.

validIdx = pressure >= minVal & pressure < maxVal; datenew = date( validIdx ); phnew = ph( validIdx ); should do this for y...

3 mesi ago | 0

| accepted

Answered

Using class object data within another function

Folder_creator_v3( val ); is required to pass val in as an argument to your function, otherwise you are just calling it with no...

Using class object data within another function

Folder_creator_v3( val ); is required to pass val in as an argument to your function, otherwise you are just calling it with no...

3 mesi ago | 0

| accepted

Answered

how can i change x to (x+h)?

It's the same function definition, you just pass in x + h instead of x assuming you have x and h defined at the point you ca...

how can i change x to (x+h)?

It's the same function definition, you just pass in x + h instead of x assuming you have x and h defined at the point you ca...

3 mesi ago | 0

Answered

Find the max in a graph with multiple curves

b=0:5:30; li=(((b'.^3)+1).*(l+0.08*b'))./(((b'.^3)+1)-(0.035.*(l+0.08*b'))); cp=c1.*((c2./li)-c3.*b'-c4).*exp(-c5./li)+c6.*l; ...

Find the max in a graph with multiple curves

b=0:5:30; li=(((b'.^3)+1).*(l+0.08*b'))./(((b'.^3)+1)-(0.035.*(l+0.08*b'))); cp=c1.*((c2./li)-c3.*b'-c4).*exp(-c5./li)+c6.*l; ...

3 mesi ago | 0

Answered

Containers Map saving more than one value

You can save a cell array or an object array as the 'value' for a given key if you set up the key type as 'any' (which is the de...

Containers Map saving more than one value

You can save a cell array or an object array as the 'value' for a given key if you set up the key type as 'any' (which is the de...

3 mesi ago | 0

Answered

reducing resolution of an image

I have no idea what MP means in this context, but doc imresize will resize an image.

reducing resolution of an image

I have no idea what MP means in this context, but doc imresize will resize an image.

3 mesi ago | 0

Answered

shaperead function not available?

I don't know where you came across the shaperead function, but a very quick search shows that it requires the Mapping toolbox...

shaperead function not available?

I don't know where you came across the shaperead function, but a very quick search shows that it requires the Mapping toolbox...

3 mesi ago | 0

| accepted

Answered

how to create an vector contains 10000 random values that uniformly distributed with mean 1 and variance 10 ?

https://uk.mathworks.com/help/matlab/math/random-numbers-with-specific-mean-and-variance.html (that was from a 10s search in th...

how to create an vector contains 10000 random values that uniformly distributed with mean 1 and variance 10 ?

https://uk.mathworks.com/help/matlab/math/random-numbers-with-specific-mean-and-variance.html (that was from a 10s search in th...

3 mesi ago | 0

Answered

How to add image overlay in GUIDE ?

(Original comment prepended to the answer for the last comment): The CData is of your original image. If you add a second im...

How to add image overlay in GUIDE ?

(Original comment prepended to the answer for the last comment): The CData is of your original image. If you add a second im...

4 mesi ago | 0

| accepted

Answered

How to use a boolean?

thrust = rocketOn * 1950 And just set rocketOn to true or false as appropriate, e.g. >> rocketOn = true; >> thrust = rocket...

How to use a boolean?

thrust = rocketOn * 1950 And just set rocketOn to true or false as appropriate, e.g. >> rocketOn = true; >> thrust = rocket...

4 mesi ago | 0

| accepted

Answered

GUI Warning: Directory not founded

Don't use global variables. They are very unreliable. Just share data between callbacks instead. It's anyone's guess what mig...

GUI Warning: Directory not founded

Don't use global variables. They are very unreliable. Just share data between callbacks instead. It's anyone's guess what mig...

4 mesi ago | 1

| accepted

Answered

Adding a marker to Data Marker to Heatmap (via imagesc)

I guess you could take the odd approach of making the axes green (when you plot an image the axes should be entirely hidden so t...

Adding a marker to Data Marker to Heatmap (via imagesc)

I guess you could take the odd approach of making the axes green (when you plot an image the axes should be entirely hidden so t...

4 mesi ago | 0

| accepted

Answered

Fastest pairwise row sums

C = repelem( A, size( B, 1 ), 1 ) + repmat( B, size( A, 1 ), 1 ); Should be the same for gpuArrays too. Whether it is fastest ...

Fastest pairwise row sums

C = repelem( A, size( B, 1 ), 1 ) + repmat( B, size( A, 1 ), 1 ); Should be the same for gpuArrays too. Whether it is fastest ...

4 mesi ago | 0

| accepted

Answered

Editing component tag in App Designer

You should have a 'Component Browser' (mine is top right of the screen with default layout) with your components in a tree under...

Editing component tag in App Designer

You should have a 'Component Browser' (mine is top right of the screen with default layout) with your components in a tree under...

4 mesi ago | 0

Answered

Checking for decimals values in input

validateattributes( r, { 'numeric' }, { 'scalar', 'integer' } )

Checking for decimals values in input

validateattributes( r, { 'numeric' }, { 'scalar', 'integer' } )

4 mesi ago | 0

Answered

Reading of Slider into text box GUI

Something like this would do the job, assuming you on;y want to set the text box value when the axes limits are exactly what you...

Reading of Slider into text box GUI

Something like this would do the job, assuming you on;y want to set the text box value when the axes limits are exactly what you...

4 mesi ago | 0

Answered

I want to put an 'ms' in my matlab GUI. But I don't know how to search for the solutions.

sprintf( '%f ms', EncTime * 1000 )

I want to put an 'ms' in my matlab GUI. But I don't know how to search for the solutions.

sprintf( '%f ms', EncTime * 1000 )

4 mesi ago | 0

| accepted

Answered

matlab.unittest.TestCase availability for Matlab version R2012a

It wasn't introduced until Matlab R2013a so is not available in earlier versions.

matlab.unittest.TestCase availability for Matlab version R2012a

It wasn't introduced until Matlab R2013a so is not available in earlier versions.

4 mesi ago | 0

Answered

'disp' equivalent to be used with Matlab Coder

doc fprintf should work with Coder.

'disp' equivalent to be used with Matlab Coder

doc fprintf should work with Coder.

4 mesi ago | 1

| accepted

Answered

3D Arrays finding an address in a element

doc ind2sub doc sub2ind will convert between n-dimensional subscripts and linear indices. In Matlab that is. Your declaratio...

3D Arrays finding an address in a element

doc ind2sub doc sub2ind will convert between n-dimensional subscripts and linear indices. In Matlab that is. Your declaratio...

4 mesi ago | 1

Answered

How do I change the x and y coordinates in a colormap?

doc imagesc shows that the first two arguments can be the x data and the y data if you use the 3-argument syntax or property-va...

How do I change the x and y coordinates in a colormap?

doc imagesc shows that the first two arguments can be the x data and the y data if you use the 3-argument syntax or property-va...

4 mesi ago | 1

Answered

Simplyfing code by removing from script and adding to function

This code is the same in both cases so should definitely go inside a function, though you may wish to pass stroke in as an input...

Simplyfing code by removing from script and adding to function

This code is the same in both cases so should definitely go inside a function, though you may wish to pass stroke in as an input...

4 mesi ago | 0