naginterfaces.library.blas.dzasum¶
- naginterfaces.library.blas.dzasum(x)[source]¶
dzasum
returns the sum of the absolute values of the real and imaginary parts of the elements in a complex vector.For full information please refer to the NAG Library document for f06jk
https://support.nag.com/numeric/nl/nagdoc_30.2/flhtml/f06/f06jkf.html
- Parameters
- xcomplex, array-like, shape
The -element vector .
- Returns
- sumxfloat
The sum of the absolute values of the real and imaginary parts of the elements in the complex vector, .
- Raises
- NagValueError
- (errno )
On entry, error in parameter .
Constraint: .
- Notes
No equivalent traditional C interface for this routine exists in the NAG Library.
dzasum
returns the normof the -element complex vector .
- References
Lawson, C L, Hanson, R J, Kincaid, D R and Krogh, F T, 1979, Basic linear algebra supbrograms for Fortran usage, ACM Trans. Math. Software (5), 308–325