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    1) What and where are the BLAS?<br>
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The BLAS (Basic Linear Algebra Subprograms) are routines that provide standard building blocks for performing basic
vector and matrix operations. The Level 1 BLAS perform scalar, vector and vector-vector operations, the Level 2 BLAS
perform matrix-vector operations, and the Level 3 BLAS perform matrix-matrix operations. Because the BLAS are efficient,
portable, and widely available, they are commonly used in th