r8sr
r8sr,
a MATLAB code which
carries out linear algebra operations for R8SR matrices
(real, 64 bit, diagonal + compressed row offdiagonal format).
Licensing:
The computer code and data files described and made available on this web page
are distributed under
the GNU LGPL license.
Languages:
r8sr 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:
r8sr_test
linear_algebra,
MATLAB codes which
carry out various linear algebra operations for matrices
stored in a variety of formats.
Source Code:

i4_log_10.m,
returns the integer part of the logarithm base 10 of abs(X);

r8_uniform_01.m,
is a uniform random number generator;

r8ge_print.m,
prints an R8GE matrix;

r8ge_print_some.m,
prints some of an R8GE matrix;

r8sr_dif2.m,
returns an R8SR second difference matrix;

r8sr_indicator.m,
returns an R8SR indicator matrix;

r8sr_mtv.m,
multiplies a vector times an R8SR matrix;

r8sr_mv.m,
multiplies an R8SR matrix times a vector;

r8sr_print.m,
prints an R8SR matrix;

r8sr_print_some.m,
prints some of an R8SR matrix;

r8sr_random.m,
randomizes an R8SR matrix;

r8sr_to_r8ge.m,
copies an R8SR matrix to an R8GE matrix;

r8sr_zeros.m,
zeros an R8SR matrix;

r8vec_print.m,
prints an R8VEC;
Last revised on 27 August 2022.