How can i solve Partial differential equation?

My equation is dx1dA(t, a1, a2, A) =

-((u - A*diff(x1(t, a1, a2, A), t))*(A*diff(x1(t, a1, a2, A), A, t) + diff(x1(t, a1, a2, A), t)))/(a1^2*g)

how can i solve it in matlab?

Answer 1

[madhan ravi]

https://www.mathworks.com/matlabcentral/answers/428442-how-can-i-solve-this-partial-derivatives#answer_345595