determine_local_stability Function

public function determine_local_stability(a, ev, err) result(rst)

Determines the nature of stability/unstability near the point at which the dynamics matrix was computed.

Arguments

Type IntentOptional Attributes Name
real(kind=real64), intent(in), dimension(:,:) :: a

An N-by-N matrix containing the 'A' matrix, also known as the dynamics matrix.
complex(kind=real64), intent(out), optional, dimension(:) :: ev

An optional N-element array that, if supplied, will be filled with the eigenvalues of the matrix A.
class(errors), intent(inout), optional, target :: err

An error handler object.

Return Value integer(kind=int32)

Describe the output constants


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