LAPACK  3.8.0
LAPACK: Linear Algebra PACKage
zlansb.f File Reference

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double precision function zlansb (NORM, UPLO, N, K, AB, LDAB, WORK)
 ZLANSB returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a symmetric band matrix. More...