*.m files to make balls in R^2 in the L_1, L_2, and L_inf norms.

Click here to down-load L2_ball.m
Click here to down-load L1_ball.m
Click here to down-load Linf_ball.m
Click here to down-load a matlab session where I used these routines.
Click here to down-load a matlab session where I found the norms.

*.m files to look at a sphere in R^3 in the L_2 norm.

Click here to down-load sphere.m