can someone write me a code for this?

[Adam]

Ask a question and someone might help. Preferably give it some relevant tags too.

https://uk.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[Torsten]

Don't you mean u(R,t) = 0 ?

[madhan ravi]

help pdepe

[gabriel keleshan]

yeah u(R,t) = 0

Answer 1

[Torsten]

Use MATLAB's "pdepe".

Note that your equation can be written as

du/dt = 1/r * d/dr (r * a^2 * du/dr)

[gabriel keleshan]

can you write my code if I'm not cheated due to the fact that I do not understand anything from the program and math :Х

[gabriel keleshan]

i just dont know what to do my exam is in the morning