brownian_motion_simulation_test

brownian_motion_simulation_test, a FORTRAN77 code which calls brownian_motion_simulation(), which simulates Brownian motion in an M-dimensional region, creating graphics files for processing by gnuplot().

Licensing:

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

Related Data and Programs:

brownian_motion_simulation, a FORTRAN77 code which simulates Brownian motion in an M-dimensional region, creating graphics files for processing by gnuplot().

Source Code:

• brownian_motion_simulation_test.f, a sample calling program.
• brownian_motion_simulation_test.sh, BASH commands to compile and run the sample program.
• brownian_motion_simulation_test.txt, the output file.

Some data files and plots are made by the test program.

• motion_1d_data.txt, data for a Brownian motion trajectory in 1D.
• motion_1d_commands.txt, gnuplot commands to plot data for a Brownian motion trajectory in 1D.
• motion_1d.png, a plot of a Brownian motion trajectory in 1D, with time as second dimension.
• motion_2d_data.txt, data for a Brownian motion trajectory in 2D.
• motion_2d_commands.txt, gnuplot commands to plot data for a Brownian motion trajectory in 2D.
• motion_2d.png, a plot of a Brownian motion trajectory in 2D.
• displacement_1d_data.txt, data for Brownian displacements in 1D.
• displacement_1d_commands.txt, gnuplot commands to plot Brownian displacements in 1D.
• displacement_1d.png, a plot of squared displacements, averaged over several 1D Brownian motions.
• displacement_2d_data.txt, data for Brownian displacements in 2D.
• displacement_2d_commands.txt, gnuplot commands to plot Brownian displacements in 2D.
• displacement_2d.png, a plot of squared displacements, averaged over several 2D Brownian motions.
• displacement_3d_data.txt, data for Brownian displacements in 3D.
• displacement_3d_commands.txt, gnuplot commands to plot Brownian displacements in 3D.
• displacement_3d.png, a plot of squared displacements, averaged over several 3D Brownian motions.