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| Hello, please I need your help to understand two commands, I'm trying to understand the method of line to solve heat equation using line method, this is the beginning of the my code: np = 5; ugrid = 1/np Range[0, np] fd1 =... |
| Solving of a heat equation, still running after 5 hours. |
| Hello, please I calculated the solution of a particular heat equation with control, now I have the solution but I can't plot it if someone can help me please: (* this first part is just for building the control, you can ignore it*) T =... |
| Hi Mr. Hans, I just edit my question, I've just noticed that there are some mistakes in my original question, I've changed it completely. but I still have in the inverse !! |
| It's the same for me, thank you so much Lori |
| Hey, sir, that's exactly what I need. gF = g /. sol11[[1, 1]] I'm always having this problem extracting the solution, can you tell me please where I can find out more about this kind of order? Best regards, |
| Hello Mariusz, i came back to you again please I tried to solve this system by NDSolve, but I find errors and I do not know why! if you can help me? t1 = 2; (*Définit la fonction indicatrice*) indicator[x_] := Piecewise[{{1, 0 ... |
| Hi, please I have a question: I need a command that allows me to calculate norm $||.||_{L^{2}(0,1)}$, for example , for a function $x^{2}$ it gives $$ ||x^2||_{L^{2}(0,1)} = \int_{0}^{1} x^{2} dx$$ thanks. |
| thank you, that's it. |