- ## Compute recursively.
- prev = legendre_p(n-1)
- prev_prev = legendre_p(n-2)
- P = @(x) (1/n)*( (2*n - 1)*prev(x) - (n-1)*prev_prev(x) )
+ ## Not one of the base cases, so use the recursive formula.
+ prev = legendre_p(n-1);
+ prev_prev = legendre_p(n-2);
+ P = @(x) (1/n).*( (2*n - 1).*x.*prev(x) - (n-1).*prev_prev(x) );