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extract logical locations that match array
B .* A would seem to give what you want

6年以上前 | 0

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how to select the desired range of each dimension from the 3d array?
new_precipitation = precipitation( 1400:1439, 500:519, 700:900 ) would create what you ask for though it will be 1 bigger in ea...

6年以上前 | 0

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Convert Z dimension to X dimension
myArray(:) will do for that kind of reshape, where myArray is obviously the array you start with.

6年以上前 | 0

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Initial centroids selection - Kmeans
doc kmeans shows the idx = kmeans(X,k,Name,Value) function signature. If you look at the options for 'Name', 'Value' pairs y...

6年以上前 | 0

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[DISCONTINUED] MATLAB Answers Wish-list #5 (and bug reports)
Has there been any further thought on changing what is considered a compulsory field for users asking a question? Title, body a...

6年以上前 | 4

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How to define range using a variable in xlsread?
doc sprintf can create a string out of variables, e.g. columnStr = 'B'; startRow = 50; endRow = 50; sprintf( '%s%i:EHI%i', ...

6年以上前 | 0

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SOM codebook vectors output
net.IW{1} will give you the codebook vectors/weights. For example: x = simplecluster_dataset; net = selforgmap([8 8]); net ...

6年以上前 | 0

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How to automatically put the asked values in function by script?
You would have to define a function that takes two arguments (or an array of inputs to add), e.g. for an example of a fixed two ...

6年以上前 | 0

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Dimensions of arrays being concatenated are not consistent.
Results_Values=[Amp',N',T',[velocity NaN].'];

6年以上前 | 1

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Could anyone help me how to store the result together in single matrix.
Making minimal changes to your code: B=[1 2; 1 3; 2 5; 2 4; 3 5; 4 6; ...

6年以上前 | 0

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How to generate random matrix from another one?
newMatrix = reshape( oldMatrix( randperm( numel( oldMatrix ) ) ), size( oldMatrix ) ); should work, though I'm sure there are n...

6年以上前 | 0

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Array indices must be positive integers or logical values
for i = length(Mag) doesn't make sense as this will just evaluate to a scalar. I don't see how this would be the source of you...

6年以上前 | 0

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Put label in colorbar
The label object should have a position that you can edit. The rotation of 270 rather than 90 moves it inside the tick labels f...

6年以上前 | 9

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Determination of data points in each cluster of K-means algorithm
accumarray( idx, 1 );

6年以上前 | 1

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undefined function 'isnan' for input arguments of type 'table'
Assuming data is a table, try using curley braces { } instead of parentheses ( ), i.e. y=data{:,20}; X=data{:,[17:19,21:29]}; ...

6年以上前 | 2

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Transfer variables within function with different properties.
Either return it as an output argument from the previous function and pass it in as an input argument or store it as a class pro...

6年以上前 | 1

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Using the function fmincon
The first argument needs to be a function handle, not a call to the function, although your function is FUNCTION so I'm not sure...

6年以上前 | 0

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Define function for rounding to precision
Usual scenario would be to multiply by 10^decimalPlaces, ceil and then divide by 10^decimalPlaces I would imagine. e.g. ceil( ...

7年弱前 | 1

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How to plot the curve?
R = B ./ ( 1 + k'/2 ); figure; plot( R ) or R = bsxfun( @rdivide, B, ( 1 + k'/2 ) ); for earlier versions of Matlab that don...

7年弱前 | 0

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max value in a repetitive vector
maxes = [vec( diff( vec ) < 0 ), vec(end)]; works if it is as structured as your example always, where vec is your vector. If ...

7年弱前 | 1

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How can I download matlab R2016a?
Click on your symbol in the top-right of this page, next to the telephone icon and click on 'My Account'. In your licencse list...

7年弱前 | 0

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Average of matrix element
cumsum( [a; b; c; d] ) ./ ( 1:4 )';

7年弱前 | 0

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Group maths on for loop
omegas=0:1:10; RR=40:70; d=90; numOmegas = numel( omegas ); numRR = numel( RR ); gg = zeros( numOmegas, numRR ); for i=1...

7年弱前 | 0

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How to work the Mean function
doc mean shows you the syntax of the mean function. It expects an array, not multiple arguments. Generally you take the mean ...

7年弱前 | 0

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returning an object handle from a function
Try passing in gobjects(0) instead. Yours works fine for me in Matlab, but maybe from simulink it is different and the type o...

7年弱前 | 0

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R2014b uipanel not showing on figure.
You need to define Units ahead of Position else the Position will be interpreted in default units (which are 'normalized') befor...

7年弱前 | 0

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Delete empty field - rows in a structure
Added as an answer since it seemed to solve the problem. Track_20( all( cell2mat( arrayfun( @(x) structfun( @isempty, x ), Trac...

7年弱前 | 6

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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...

7年弱前 | 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...

7年弱前 | 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

7年弱前 | 0

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