nag_ztbsv (f16skc) solves a system of equations given as a complex triangular band matrix.
nag_ztbsv (f16skc) performs one of the matrix-vector operations
complex triangular band matrix with
subdiagonals or superdiagonals,
-element complex vector and
is a complex scalar.
The BLAS Technical Forum Standard (2001) http://www.netlib.org/blas/blast-forum
The BLAS standard requires accurate implementations which avoid unnecessary over/underflow (see Section 2.7 of The BLAS Technical Forum Standard (2001)
Solves complex triangular banded system of linear equations,
is a complex triangular
subdiagonals, given by