fprintf('                     Lab Assignment #1\n');
fprintf('  \n');
fprintf('   Program the following Matlab code. The best way is to make a \n');
fprintf('   file (filename: examp1.m) of the commands as they are shown below.  \n');
fprintf('   Startup matlab on your system and at the matlab prompt \n');
fprintf('   (typically >) type: examp1\n');
fprintf('   The program should start up and prompt you for input.\n');
fprintf('\n');
fprintf('   The system you are solving is describe below in the fprintf statements.  \n');
fprintf('   It is the simple wave equation on a periodic domain.  We have chosen a \n');
fprintf('   three point differencing in space and explicit Euler time differencing.\n');
fprintf('             \n');
fprintf('   Problem #1:  For nmax = 10, CFL = 1.0, run the program with\n');
fprintf('      a)  a = -0.5, b = 0.0, c = 0.5 and describe what happens.\n');
fprintf('          Short descriptions please.\n');
fprintf('          Hand sketch the 5th and 10th curve plot of u vrs x\n');
fprintf('          or if you have printer capability print the results.\n');
fprintf('      b)  Repeat a) for a = -1, b = 1, c = 0\n');
fprintf('\n');
fprintf('   Problem #2:  For nmax = 10, a = -1, b = 1, c = 0  run the program with\n');
fprintf('      a)  CFL = 0.7 and describe what happens.\n');
fprintf('          Hand sketch the 5th and 10th curve plot of u vrs x\n');
fprintf('          or if you have printer capability print the results.\n');
fprintf('      b)  Repeat a) CFL = 1.4\n');
fprintf('        \n');
fprintf('   Problem #3: (Optional) \n');
fprintf('          For nmax = 10, CFL=1.0, run the program with\n');
fprintf('      a)  a = -0.9, b = 0.8, c = 0.1 and describe what happens.\n');
fprintf('          Short descriptions please.\n');
fprintf('          Hand sketch the 5th and 10th curve plot of u vrs x\n');
fprintf('          or if you have printer capability print the results.\n');
fprintf('      b)  Repeat a) for a = -0.99, b = 0.98, c = 0.01\n');
