r8sto

r8sto, an Octave code which carries out some basic linear algebra operations on R8STO matrices (real 64 bit precision symmetric Toeplitz format).

Licensing:

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

Languages:

r8sto is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.

Related Data and Programs:

r8sto_test

linear_algebra, an Octave code which carries 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);
• r8ge_print.m, prints an R8GE matrix;
• r8ge_print_some.m, prints some of an R8GE matrix;
• r8sto_dif2.m, returns the second difference as an R8STO matrix;
• r8sto_indicator.m, returns an R8STO indicator matrix;
• r8sto_inverse.m, returns the inverse of an R8STO indicator matrix;
• r8sto_mv.m, multiplies an R8STO matrix times a vector;
• r8sto_print.m, prints an R8STO matrix;
• r8sto_print_some.m, prints some of an R8STO matrix;
• r8sto_random.m, randomizes an R8STO matrix;
• r8sto_sl.m, solves an R8STO linear system;
• r8sto_to_r8ge.m, copies an R8STO matrix to an R8GE matrix;
• r8sto_yw_sl.m, solves the Yule-Walker equations for an R8STO matrix;
• r8sto_zeros.m, zeros an R8STO matrix;
• r8vec_indicator1.m, sets an R8VEC to the indicator1 vector;
• r8vec_print.m, prints an R8VEC;
• r8vec_uniform_01.m, returns a random R8VEC;