rcond

Inverse condition number.

Syntax

• res = rcond(x)

Input argument

• x - a numeric value: scalar or square matrix (double or single)

Output argument

• res - a numeric value: a scalar.

Description

rcond(x) computes the reciprocal of the condition of x in the 1-norm.

Example

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

See also

inv, cond.

History

Author

Allan CORNET