Navigation

Operators and Keywords

Function List:

• » Octave core
• » by package
• » alphabetical

C++ API

: isdefinite (A)

: isdefinite (A, tol)

Return 1 if A is symmetric positive definite within the tolerance specified by tol or 0 if A is symmetric positive semidefinite. Otherwise, return -1.

If tol is omitted, use a tolerance of 100 * eps * norm (A, "fro")

See also: issymmetric, ishermitian.

Package: octave