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

Author

Allan CORNET

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