r83


r83, a Python code which carries out some basic linear algebra operations on R83 matrices (real 64 bit precision tridiagonal 3xN format).

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

r83 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version

Related Data and Programs:

r83_np, a python code which contains linear algebra routines for r83_np matrices (real, 64 bit, tridiagonal 3xn format, nonpivoting factorization).

r83p, a python code which contains linear algebra routines for r83p matrices (real, 64 bit, tridiagonal periodic format).

r83s, a python code which contains linear algebra routines for r83s matrices (real, 64 bit, tridiagonal scalar format).

r83t, a python code which contains linear algebra routines for r83t matrices (real, 64 bit, tridiagonal mx3 format).

r83v, a python code which contains linear algebra routines for r83v matrices (real, 64 bit, tridiagonal three vector format).

r85, a python code which contains linear algebra routines for r85 matrices (real, 64 bit, pentadiagonal format).

r8bb, a python code which contains linear algebra routines for r8bb matrices (real, 64 bit, border banded format).

r8blt, a python code which contains linear algebra routines for r8blt matrices (real, 64 bit, band lower triangular format).

r8bto, a python code which contains linear algebra routines for r8bto matrices (real, 64 bit, block toeplitz format).

r8but, a python code which contains linear algebra routines for r8but matrices (real, 64 bit, band upper triangular format).

r8cc, a python code which contains linear algebra routines for r8cc matrices (real, 64 bit, compressed column (colptr,row,value) format).

r8ci, a python code which contains linear algebra routines for r8ci matrices (real, 64 bit, circulant format).

r8col, a python code which contains utility routines for r8col's, that is, double precision real mxn arrays, considered as n column vectors, each of length m. the data may be thought of as a matrix of multiple columns, and many operations will be carried out columnwise.

r8gb, a python code which contains linear algebra routines for r8gb matrices (real, 64 bit, general banded format).

r8gd, a python code which contains linear algebra routines for r8gd matrices (real, 64 bit, general diagonal format).

r8ge, a python code which contains linear algebra routines for r8ge matrices (real, 64 bit, general format).

r8ge_np, a python code which contains nonpivoting linear algebra routines for r8ge_np matrices (real, 64 bit, general nonpivoting format).

r8lt, a python code which contains linear algebra routines for r8lt matrices (real, 64 bit, lower triangular format).

r8ltt, a python code which contains linear algebra routines for r8ltt matrices (real, 64 bit, lower triangular toeplitz format).

r8ncf, a python code which contains linear algebra routines for r8ncf matrices (real, 64 bit, nonsymmetric coordinate format).

r8pbl, a python code which contains linear algebra routines for r8pbl matrices (real, 64 bit, positive definite symmetric band lower format).

r8pbu, a python code which contains linear algebra routines for r8pbu matrices (real, 64 bit, positive definite symmetric band upper format).

r8po, a python code which contains linear algebra routines for r8po matrices (real, 64 bit, positive definite symmetric format).

r8pp, a python code which contains linear algebra routines for r8pp matrices (real, 64 bit, positive definite symmetric packed format).

r8ri, a python code which contains linear algebra routines for r8ri matrices (real, 64 bit, row indexed format).

r8row, a python code which contains utility routines for r8row's, that is, double precision real mxn arrays, considered as m row vectors, each of length n. the data may be thought of as a matrix of multiple rows, and many operations will be carried out rowwise.

r8s3, a python code which contains linear algebra routines for r8s3 matrices (real, 64 bit, slap triad (i,j,aij) format).

r8sd, a python code which contains linear algebra routines for r8sd matrices (real, 64 bit, symmetric diagonal format).

r8sm, a python code which contains linear algebra routines for r8sm (sherman-morrison) matrices (real, 64 bit, a-u*v' format).

r8sp, a python code which contains linear algebra routines for r8sp matrices (real, 64 bit, slap triad (i,j,aij) format).

r8sr, a python code which carries out linear algebra operations for r8sr matrices (real, 64 bit, diagonal + compressed row offdiagonal format).

r8ss, a python code which carries out linear algebra operations for r8ss matrices (real, 64 bit, symmetric skyline format).

r8sto, a python code which contains linear algebra routines for r8sto matrices (real, 64 bit, symmetric toeplitz n format).

r8to, a python code which contains linear algebra routines for r8to matrices (real, 64 bit, toeplitz 2*n-1 format).

r8ut, a python code which contains linear algebra routines for r8ut matrices (real, 64 bit, upper triangular format).

r8utt, a python code which contains linear algebra routines for r8utt matrices (real, 64 bit, upper triangular toeplitz format).

r8vm, a python code which contains linear algebra routines for r8vm matrices (real, 64 bit, vandermonde format).

Source Code:


Last revised on 28 January 2020.