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 vector operations of the Level 2 Basic Linear Algebra Subprograms (BLAS).

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

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

`trmv( A, x )`

Calculate x <- A*x for the upper triangular matrix A. Data below the diagonal is ignored. For a lower triangular

`trsv( A, x )`

Calculate x <- A^-1 x for the upper triangular matrix A. Data below the diagonal is ignored.

`trsv_lower( A, x )`

Calculate x <- A^-1 x for the lower triangular matrix A. Data above the diagonal is ignored. Note: It's possible to accomplish this with the trsv function by flipping and unflipping dimensions, but that's just a little convoluted. Instead, this function simply performs forward-substitution instead of back-substitution.