For vectors, CSORT(X) sorts the elements of X in ascending order.
For matrices, CSORT(X) sorts each column of X in ascending order.
The standard method is a lexical sort, first sort by real part,then by imaginary part.
Y = CSORT(X,METHOD,DIM,MODE)
has three optional parameters.
METHOD selects the method of the sort
'lexi' lexical sort, sort first by REAL(X), then by IMAG(X)
'angle' sort by phase angle, ANGLE(X)
'abs' sort by magnitude, ABS(X)
'real' sort by real part, REAL(X)
'imag' sort by imaginary part, imag(X)
'absangle' sort first by ABS(X), then ANGLE(X) (Matlab standard)
DIM selects a dimension along which to sort.
MODE selects the direction of the sort
'ascend' results in ascending order
'descend' results in descending order
The MODE option is not valid for lexical sorting.
The result is in Y which has the same shape and type as X
[Y,I] = CSORT(X,METHOD,DIM,MODE) also returns an index matrix I.
If X is a vector, then Y = X(I).
If X is an m-by-n matrix and DIM=1, then
for j = 1:n, Y(:,j) = X(I(:,j),j); end
Peter (PB) Bodin (2021). CSORT (https://www.mathworks.com/matlabcentral/fileexchange/9552-csort), MATLAB Central File Exchange. Retrieved .
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