Package Exports

ndarray-blas-level2

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Readme

ndarray-blas-level2

BLAS Level 2 operations for ndarrays

Usage

This library implements the basic matrix-vector operations of the Level 2 Basic Linear Algebra Subprograms (BLAS).

Note: It's possible to accomplish the lower triangular functions with the upper triangular version plus flipping and unflipping dimensions, but that's a little convoluted. Instead, the lower triangular versions are suffixed with _lower just to keep it really simple.

`gemv( alpha, A, x, beta, y )`

Calculate y <- alpha*A*x + beta*y

`trmv( A, x, isLower )`

Calculate x <- A*x for the upper triangular matrix A. Data below the diagonal is ignored. If isLower is true, uses the lower triangular portion of A instead.

`trsv( A, x, isLower )`

Calculate x <- A^-1 x for the upper triangular matrix A. Data below the diagonal is ignored. If isLower is true, uses the lower triangular portion of A instead.