I have Error L1,L2 and Linf between exacte solution and numerique solution of PDE for differents alpha and dt values in Matlab code.
I went to create a table has a muliple ligne, like that
alpha dt Error L^1 Error L^2 Error L^inf
------------- ------ -------------- ----------- -----------
1.0 0.05 ? ? ?
0.8 0.05 ? ? ?
0.5 0.05 ? ? ?
0.2 0.05 ? ? ?