My function f(x) doesn't display (compute?) the result for when f = 0.

The x array has 9 distinct values (0 through 4 in steps of 0.5). f(x) only has 8. What am I doing wrong?

Thanks!

Answer 1

[Alan Stevens]

Replace

diff(g)

by

gradient(g)

[Conrad Thomson]

I appreciate that. Clearly, I'm a newbie to this software. Thanks!