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rank


Rank of matrix.


Syntax


r = rank(A)
r = rank(A, tol)

Input argument


A

matrix: double or single

tol

tolerance

Output argument


r

a numeric value: a scalar.

Description


rank(A) returns the number of linearly independent columns in a matrix (rank of the matrix).

Example


X = rand(10, 10);
r = rank(X)

See also


svd.

History


Version Description
1.0.0 initial version

Author


Allan CORNET

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