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Adam


1,829 2014 年以降の合計貢献数

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

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Scale X and Y separately in a matrix
B = imresize(A,[numrows numcols]) is the second syntax given in the documentation. If you pass in a numrows the same as the cu...

約14時間 前 | 1

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For Loop Problem error
img=imread('C:\Users\Shalaw\Downloads\gray.jpeg'); [n,m]=size(img); part{1}=img(1:n/2,1:m/2); part{2}=img(1:n/2,(m/2)+1:end...

3日 前 | 0

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master study: requirements for laptop and windows version
A 5 second google search brought me to this: https://uk.mathworks.com/support/requirements/matlab-system-requirements.html

15日 前 | 0

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Colorbar colors wont scale to changed scale limits
You should be using doc caxis to change colourmap limits, not directly going into the colourbar object and changing its ylims....

19日 前 | 0

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Create an Array/a List of Position
Position_List = reshape( position', 1, [] );

20日 前 | 0

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How to remove hundreds of columns from a matrix?
First thing that comes to mind, which may or may not be the only problem: Never delete parts of an array from the front in a lo...

27日 前 | 1

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Find all combinaisons of sum of two vector that corresponds to the value of a third vector
Well, what you wrote: 1./(1./A + 1./B) will give you answers you can compare to C as e.g. abs( 1./(1./A + 1./B) - C ) to giv...

30日 前 | 0

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imagesc: how to set NaN as white color
doc colormap allows you to define whatever colourmap you want. You can tag a white point on the front of e.g. a Parula colourma...

約1ヶ月 前 | 1

質問


javaaddpath 'objects of...class exist' warning
I have run into a situation using multiple 3rd party functions from the file exchange. Both of these rely on java classes and b...

約1ヶ月 前 | 0 件の回答 | 0

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Removing outliers from data
threshold = 3 * std( data ); validRange = mean( data ) + [-1 1] * threshold; dataWithoutOutliers = data( data >= validRange(1)...

約2ヶ月 前 | 1

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finding x axis in findpeaks
doc findpeaks clearly shows there are numerous ways to call the function, including: [pks,locs] = findpeaks(data) where locs ...

約2ヶ月 前 | 0

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multiply table and matrix
Why all the complications with cell arrays and tables? Just use numeric arrays: A = [0.2 0.5 0.3; 0.1 0.1 0.3]; B = [2;3]; C...

約2ヶ月 前 | 1

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Randomly change certain characters of a character matrix
If you mean basic letters, then e.g. idx = randi( numel( yourCharArray ), 1000, 1 ); replacementChars = char( randi( 26, 1000,...

約2ヶ月 前 | 0

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How can I use Function handle with arrays?
Not really sure how the code you posted, with syms and matlabFunction is connected to what you are asking, but this function sho...

2ヶ月 前 | 0

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Select all eelements equal to a number
b = x( 1:find( x == 4, 1, 'last' );

2ヶ月 前 | 0

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Turning separate columns of data into a single column or vector.
times = []; for ... ... times = [ times; A.data(:,1) ]; ... end You will get warnings about variable growing in...

2ヶ月 前 | 0

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Apply an element-wise calculation of an equation to a matrix
log( X ./ Y ) ./ Z 100 ./ log( X ./ Y ) - 50

2ヶ月 前 | 0

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Find function for cell array
wantedArray = [1,122,185]; cellfun( @(x) isequal(x,wantedArray), myCell ); You would be better off using a numeric array thoug...

2ヶ月 前 | 1

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What are the thought processes that go on when you are trying to solve a MATLAB problem?
I make very heavy use of the debugger, in combination with the command line to try out syntax and options. I also often like to...

3ヶ月 前 | 1

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Accesing structure using a function
total = campus.( building ).( year ).( var ); should work fine, assuming campus is your struct and that is a branch of the stru...

3ヶ月 前 | 0

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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...

3ヶ月 前 | 0

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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...

3ヶ月 前 | 0

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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 ...

3ヶ月 前 | 0

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

3ヶ月 前 | 1

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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...

3ヶ月 前 | 0

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

3ヶ月 前 | 0

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Random order, but equally appearance
doc randperm

3ヶ月 前 | 1

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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?

3ヶ月 前 | 0

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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...

3ヶ月 前 | 0

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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 ...

3ヶ月 前 | 0

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