@dharr can i still use the sama code for nonlinear schrodinger equation?

@Preben Alsholm thank you

@dharr thANK YOU! YOURE SO BRILLIANT.

@acer i already delete the restart but still get the same.

@tomleslie i need to get the coeff just like in doc that i attach

equation_coeff.docx  

@tomleslie hye. . i dont understand how i supposed to correct the code so that i can get other terms