trace Interface
public interface trace
Public interface for functions that calculate a matrix trace.
Module Procedures
public pure function matrix_trace(A) result(r)
Calculates the trace of a general complex matrix.
Arguments
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| complex(kind=wp), | intent(in), | dimension(:, :) | :: | A |
Matrix [n×m] |
Return Value complex(kind=wp)
r = Tr(A)