linear_algebra, Fortran90 codes which carry out various linear algebra operations for matrices stored in a variety of formats.
The formats include many defined by the LINPACK and LAPACK packages and various sparse formats.
For a given matrix format, the operations supplied may include
r83, a Fortran90 code which contains linear algebra routines for r83 matrices (real, 64 bit, tridiagonal 3xn format).
r83_np, a Fortran90 code which contains linear algebra routines for r83_np matrices (real, 64 bit, tridiagonal 3xn format, nonpivoting factorization).
r83p, a Fortran90 code which contains linear algebra routines for r83p matrices (real, 64 bit, tridiagonal periodic format).
r83s, a Fortran90 code which contains linear algebra routines for r83s matrices (real, 64 bit, tridiagonal scalar format).
r83t, a Fortran90 code which contains linear algebra routines for r83t matrices (real, 64 bit, tridiagonal mx3 format).
r83v, a Fortran90 code which contains linear algebra routines for r83v matrices (real, 64 bit, tridiagonal three vector format).
r85, a Fortran90 code which contains linear algebra routines for r85 matrices (real, 64 bit, pentadiagonal format).
r8bb, a Fortran90 code which contains linear algebra routines for r8bb matrices (real, 64 bit, border banded format).
r8blt, a Fortran90 code which contains linear algebra routines for r8blt matrices (real, 64 bit, band lower triangular format).
r8bto, a Fortran90 code which contains linear algebra routines for r8bto matrices (real, 64 bit, block toeplitz format).
r8but, a Fortran90 code which contains linear algebra routines for r8but matrices (real, 64 bit, band upper triangular format).
r8cb, a Fortran90 code which contains linear algebra routines for r8cb matrices (real, 64 bit, compressed band format).
r8cbb, a Fortran90 code which contains linear algebra routines for r8cbb matrices (real, 64 bit, compressed border banded format).
r8ccs, a Fortran90 code which contains linear algebra routines for r8ccs matrices (real, 64 bit, compressed column storage (colptr,row,value) format).
r8ci, a Fortran90 code which contains linear algebra routines for r8ci matrices (real, 64 bit, circulant format).
r8col, a Fortran90 code which contains utility routines for r8col's, that is, 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.
r8crs, a Fortran90 code which contains linear algebra routines for r8crs matrices (real, 64 bit, compressed row storage (crs) format).
r8gb, a Fortran90 code which contains linear algebra routines for r8gb matrices (real, 64 bit, general banded format).
r8gd, a Fortran90 code which contains linear algebra routines for r8gd matrices (real, 64 bit, general diagonal format).
r8ge, a Fortran90 code which contains linear algebra routines for r8ge matrices (real, 64 bit, general format).
r8ge_np, a Fortran90 code which contains nonpivoting linear algebra routines for r8ge matrices (real, 64 bit, general nonpivoting format).
r8lt, a Fortran90 code which contains linear algebra routines for r8ut matrices (real, 64 bit, lower triangular format).
r8ltt, a Fortran90 code which contains linear algebra routines for r8ltt matrices (real, 64 bit, lower triangular toeplitz format).
r8ncf, a Fortran90 code which contains linear algebra routines for r8ncf matrices (real, 64 bit, nonsymmetric coordinate format).
r8pbl, a Fortran90 code which contains linear algebra routines for r8pbl matrices (real, 64 bit, positive definite symmetric band lower format).
r8pbu, a Fortran90 code which contains linear algebra routines for r8pbu matrices (real, 64 bit, positive definite symmetric band upper format).
r8po, a Fortran90 code which contains linear algebra routines for r8po matrices (real, 64 bit, positive definite symmetric format).
r8pp, a Fortran90 code which contains linear algebra routines for r8pp matrices (real, 64 bit, positive definite symmetric packed format).
r8ri, a Fortran90 code which contains linear algebra routines for r8ri matrices (real, 64 bit, row indexed format).
r8row, a Fortran90 code which contains utility routines for r8row's, that is, 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 Fortran90 code which contains linear algebra routines for r8s3 matrices (real, 64 bit, slap triad (i,j,aij) format).
r8sd, a Fortran90 code which contains linear algebra routines for r8sd matrices (real, 64 bit, symmetric diagonal format).
r8sm, a Fortran90 code which contains linear algebra routines for r8sm (sherman-morrison) matrices (real, 64 bit, a-u*v' format).
r8sp, a Fortran90 code which contains linear algebra routines for r8sp matrices (real, 64 bit, slap triad (i,j,aij) format).
r8sto, a Fortran90 code which contains linear algebra routines for r8sto matrices (real, 64 bit, symmetric toeplitz n format).
r8to, a Fortran90 code which contains linear algebra routines for r8to matrices (real, 64 bit, toeplitz 2*n-1 format).
r8ut, a Fortran90 code which contains linear algebra routines for r8ut matrices (real, 64 bit, upper triangular format).
r8utp, a Fortran90 code which carries out linear algebra operations on R8UTP matrices, real 64 bit, Upper Triangular Packed format.
r8utt, a Fortran90 code which contains linear algebra routines for r8utt matrices (real, 64 bit, upper triangular toeplitz format).
r8vm, a Fortran90 code which contains linear algebra routines for r8vm matrices (real, 64 bit, vandermonde format).