• Burgers and shallow water
• Burgers and gas dynamics
• Traffic and vibrating string
• Traffic and plasticity
• 2-phase Buckley-Leverett and polymer
• 2-phase Buckley-Leverett and 3-phase Buckley-Leverett

Homework:

• Homework One due September 4 given in class notes.
• Homework Two due September 11 Postscript PDF

Help!

• xman. Type "xman&". When the window comes up, click on "Manual page" to see a list of commands, organized by type. To find a particular command, pull down on "Options" to "Search."
• Gnu documentation. Type "emacs&". When the window comes up, pull down on "Help" to "Info," then scroll to your favorite topic (e.g., "Make"). Use the middle mouse button to scroll and click. You will have to create a .emacs file in your home directory to make this work properly (you can copy ~johnt/.emacs):
  • pushd /usr/local/egcs/info
  • info
  • mGdb (to see gdb documentation)
  To see g77 documentation, replace "mGdb" with "mg77". To see egcs documentation, replace "mGdb" with "megcs".
• Linux online books.
• Netlib Home Directory

• You may not be able to copy /home/faculty/johnt/math226/scalar_law/1sa/linearad to your directory and execute it. It is possible that your version of the operating system is different from mine, and some libraries are in different places. Alternatively, you can do the following:
  • edit your .cshrc file and add the following lines at the end:
    setenv CVSREAD
    setenv CVSROOT /home/faculty/johnt/cvs
  • make a directory for this course, and cd to that directory.
  • type
    cvs checkout gnu memdebug det graphics gui box flowvar amr
  • cd to each of the subdirectories {memdebug,det,graphics,gui,box,flowvar,amr} and do the following
    • touch depends.gnu
    • make
  • in the course directory type
    mkdir scalar_law
  • cd scalar_law
  • make
  • to run the code, type
    1sa/linearad input
  • you can save the graphics by typing
    eps4paper results
    This will create the file results.eps, which you can include in a LaTex file and massage easily. If you want to print the graphics by itself, try
    convert results.eps results.ps
    lpr results.ps
  • you can play with the input parameters by editing the file named input. In particular, you might play around with values for ncells and cfl.
• To enable your sessions to dump cores, add
  unlimit coredumpsize
  to your .cshrc file.
• To see your default printer and its location, type
  lpq
• Some useful printers in the math department are
  • lw0 in room 136
  • lw3 in room 250
• To print a window created by the class program, run xv:
  • click in xv 3.10a(PNG)... with the right mouse button
  • click on Grab in xv controls with the left mouse button
  • change the delay to 1 sec in the xv grab window
  • click on Grab in xv grab with the left mouse button
  • after the beep, click in the linear advection window with the left mouse button
  • click on Print in xv controls with the left mouse button
  • click on B/W in xv prompt with the left mouse button
  • click on OK in xv postscript with the left mouse button
• You will have to work a bit to get GNU documentation to work properly. See the online help discussion below.