LAPACK  3.4.2
LAPACK: Linear Algebra PACKage
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zlangb.f File Reference

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Functions/Subroutines

DOUBLE PRECISION function zlangb (NORM, N, KL, KU, AB, LDAB, WORK)
 ZLANGB returns the value of the 1-norm, Frobenius norm, infinity-norm, or the largest absolute value of any element of general band matrix.