r8ci

r8ci, a Python code which carries out some basic linear algebra operations on R8CI matrices (real 64 bit precision circulant format).

Licensing:

The information on this web page is distributed under the MIT license.

Languages:

r8ci 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:

linear_algebra, a Python code which carries out various linear algebra operations for matrices stored in a variety of formats.

Source Code:

• c8_le_l2.py, evaluates C1 <= C2 in the L2 norm.
• c8vec_print.py, prints a C8VEC.
• c8vec_sort_a_l2.py, sorts C8VEC's by L2 norm.
• c8vec_unity.py, returns the N roots of unity.
• i4_log_10.py, returns the integer part of the logarithm base 10 of abs(X);
• r8_uniform_01.py, returns a random R8 value;
• r8ci.py, functions for an R8CI matrix;
• r8ge.py, functions for an R8GE matrix;
• r8vec_indicator1.py, sets an R8VEC to the indicator1 vector;
• r8vec_print.py, prints an R8VEC;
• sort_safe_rc.py, externally sorts a list of items into ascending order.
• timestamp.py, prints the current YMDHMS date as a timestamp;

Examples and Tests:

• r8ci_test.py, calls all the tests.
• r8ci_test.sh, runs all the tests.
• r8ci_test.txt, the output file.