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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...

7 years 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...

7 years ago | 0

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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...

7 years ago | 1

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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...

7 years ago | 0

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

7 years 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 );

7 years ago | 0

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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....

7 years ago | 0

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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...

7 years ago | 0

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[DISCONTINUED] 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 ...

7 years ago | 1

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Function to fill an array given conditions.
validIdx = pressure >= minVal & pressure < maxVal; datenew = date( validIdx ); phnew = ph( validIdx ); should do this for y...

7 years ago | 0

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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...

7 years ago | 0

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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...

7 years ago | 0

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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; ...

7 years ago | 0

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

7 years ago | 0

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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...

7 years ago | 1

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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...

7 years ago | 0

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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...

7 years ago | 0

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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...

7 years ago | 0

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

7 years ago | 1

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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...

7 years ago | 1

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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...

7 years ago | 0

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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 ...

7 years ago | 0

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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...

7 years ago | 1

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Checking for decimals values in input
validateattributes( r, { 'numeric' }, { 'scalar', 'integer' } )

7 years ago | 0

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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...

7 years ago | 0

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Accessing elements of a 3-D cell array
myCell{ :, 1, 98 }

7 years ago | 0

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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 )

7 years ago | 0

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matlab.unittest.TestCase availability for Matlab version R2012a
It wasn't introduced until Matlab R2013a so is not available in earlier versions.

7 years ago | 0

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Access different elements of matrix
B = A( :, :, :, [2:5, 7] );

7 years ago | 0

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Answered
'disp' equivalent to be used with Matlab Coder
doc fprintf should work with Coder.

7 years ago | 1

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