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NDSolve error: "The function T appears with no arguments."

Francisco Falcón
Posted 3 years ago

I have this problem in the code, I tried to solve it, but I could not, thank you very much who takes the time to help.

Solucion =
 NDSolve[{T'[V] == (
    Ua (Subscript[T, a] - T[V]) + (-Subscript[r, 
        a]) (-Subscript[\[CapitalDelta]H, R]))/(
    Subscript[F, 
     ao]  (Subscript[C, pA] + X[V]  Subscript[\[CapitalDelta]C, p])), 
   X'[V] == -\[InvisiblePrefixScriptBase]Subscript[r, A]/Subscript[F, 
    Ao], X[0] == 0, T[0] == 1035}, {T, X}, {V, 0, 2}]
POSTED BY: Francisco Falcón
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Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

I removed the \[InvisiblePrefixScriptBase] and changed {V, 0, 2} to {T, 0, 2} (which I think is correct). The kernel crashes when the NSolve is evaluated. I am running 12.3.0 for Mac OS X x86 (64-bit) (May 10, 2021). Are you able to reproduce the crash? If so, you should report it to Wolfram Support. If you cannot, please respond here so I can report it.

NDSolve[{T'[
     V] == (Ua (Subscript[T, a] - 
          T[V]) + (-Subscript[r, a]) (-Subscript[\[CapitalDelta]H, 
           R]))/(Subscript[F, 
        ao] (Subscript[C, pA] + X[V] Subscript[\[CapitalDelta]C, p])),
    X'[V] == -Subscript[r, A]/Subscript[F, Ao], X[0] == 0, 
   T[0] == 1035}, {T[V], X[V]}, {T, 0, 2}]
POSTED BY: Rohit Namjoshi
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