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Thanks! Still I have this warning: "NDSolve::ndnum: Encountered non-numerical value for a derivative at \[Xi] == -1.." . Do you know if there is something wrong with some definitions I made, or something that tells to the NDSolve command to evaluate... |
Hi Hans, actually it is not a typo! That apostrophe indicates a derivative of the function ((uā[x])/dsdx), that is ((uā[x])/dsdx)ā. Maybe is it written in the wrong form? |