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Adam


1,810 total contributions since 2014

Professional Interests: Signal Processing, OOP, Matlab GUI programming, Machine Learning

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Answered
how to get the RGB number from colorbar
colourmap = colormap( hAxes ); where hAxes is the axes handle. gca if you really must! You can then interpolate it to make it...

18 hours ago | 0

Answered
How can I change variables within a GUI to make plot using the data from user input?
Simplest option is simply to create variables g = []; valzero = []; (or initialise them to a default value) at the top of y...

21 hours ago | 0

Answered
Accept a specific type of file Matlab
doc uigetfile gives examples of specifying filters for file type. You can use a generic uigetfile and a check like that after ...

4 days ago | 0

Answered
Find the index of given value in an array
val = 2.5; idxAboveVal = find( array >= val, 1 ); idxFract = idxAboveVal - ( array( idxAboveVal ) - val ) / ( array( idxAboveV...

9 days ago | 1

Answered
Call to Subplot is Adding Axis to Current Figure
Yes, that does seem a slightly odd thing to have in the startup file and is indeed the cause of this behaviour (I just tested wi...

9 days ago | 0

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Answered
plz i need help to make this , thank u
[~, idx] = min( MA ); resA = A(:,idx);

10 days ago | 0

Answered
Random order, but equally appearance
doc randperm

10 days ago | 1

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Answered
How to recognize if there is in a character a point '.'?
What is wrong with simply xx == '.' if xx is a char array rather than a string as it seems to be?

11 days ago | 0

Answered
What does 'Colormap' do to the image with double/float pixels?
Data is linearly binned into however many bins/elements your colourmap has and that colour applied. e.g. if your data is 0-1 an...

11 days ago | 0

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Answered
Writing a Matrix 6x6 in one line
A = 1:36; I may be misunderstanding the question, but if not then it would seem to be that simple? or A = A(:)'; if you are ...

15 days ago | 0

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Answered
Feature Request: Refactoring tool
This is still such a huge frustration all the way into R2019a. Even things that should be so simple can take on epic proportion...

17 days ago | 1

Answered
Undefined operator '+' for input arguments of type 'function_handle'.
A2 = V2a + U2(t) ; would be a function call. You only use the @(t) when defining a function handle, not when actually calling...

21 days ago | 0

Answered
MATLAB Answers Wish-list #4 (and bug reports)
One or two things with respect to notification preferences and Activity Feed that I would like: Having a preference to not auto...

21 days ago | 3

Answered
Ylim is not working
Use explicit axes handles for plotting instructions and instructions like hold, ylim, xlim. i.e. hAxes(1) = subplot(3,1,1); sc...

25 days ago | 1

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Answered
How to set the x-aixs when plotting with certain row and column of matrix
I'm surprised you can see anything useful on that using plot rather than an image, but the plot function takes multiple argument...

1 month ago | 0

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Answered
Undefined variable or class error
The variable in your mat file is called NEWSST, not NEWSST_2015. It is usually better though to load a mat file into a struct a...

1 month ago | 0

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Answered
How to hide a figure instead of deleting it?
If you over-ride the CloseRequestFcn you can have it do whatever you tell it. In general you should always have this function c...

1 month ago | 1

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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...

1 month 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...

1 month ago | 1

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

1 month 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....

1 month ago | 0

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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...

1 month 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 ...

1 month 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...

1 month ago | 0

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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...

1 month ago | 0

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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...

1 month 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; ...

1 month 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...

1 month 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.

1 month 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...

1 month ago | 0

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