Getting not optimal results in parabolic integro-differential equation

[Monirul25 (Monirul)]

Dear all experts and Respected Francois sir, Hecht sir, i am currently trying the following problem:

Parabolic_integro_eqn.pdf (121.7 KB)

Here, is my code >
Integro_Parabolic_P1.edp (3.0 KB)

Code is running fine but does not giving optimal results.

Thanks in advance!.

[fb77 (François Bouchut)]

many mistakes in your code.
Integro_Parabolic_P1.edp (2.6 KB)

[Monirul25 (Monirul)]

Many Many thanks sir. It is giving now very good results. I am truly grateful for your support and guidance, sir.