>> \Omega_{ij} = \int_0^1 { d^2B_i(x)/dx^2 * d^2 B_j(x)/dx^2 } dx
> *p += wl * gsl_pow_2(dB_i * dB_j);Ha. I apparently cheated. Remove that gsl_pow_2 and I encounter the same issues. *shrugs* - Rhys
>> \Omega_{ij} = \int_0^1 { d^2B_i(x)/dx^2 * d^2 B_j(x)/dx^2 } dx
> *p += wl * gsl_pow_2(dB_i * dB_j);Ha. I apparently cheated. Remove that gsl_pow_2 and I encounter the same issues. *shrugs* - Rhys