In the below code what a0, b0, T0 standard for

a0=1 b0=1 T0=1 step_x=.01 step_t=.01 L_t=T0/step_t L_x=T0/step_x a=a0*ones(1,L_t+1) b=b0*ones(1,L_x+1) [X,T]=meshgrid([0:step_x:T0],[0:step_t:T0]) U=exp(diag(a)*T+diag(b)*X) surf(U) % visualize result

Answer 1

[Walter Roberson]

I could make something up, but the real answer is that you should ask whoever wrote the code what their intended meaning of the names was.