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[MUG] can't extend Re and Im?!?!
| [MUG] can't extend Re and Im?!?! |
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Author: Crystal Johnson
Posted: Tue, 3 Sep 2002 20:30:59 GMT
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>> From: "Crystal Johnson" "johns1n"
A quote from the Maple help pages:
If x includes a function f, then Re(x) and Im(x) attempt to execute the procedures `Re/f` and `Im/f` to determine the real and imaginary parts of the corresponding part of x.
By this method, the functionality of these commands can be extended. For example, Re(sin(3+4*I)*ln(3+4*I)) executes the procedures `Re/sin`, `Im/sin`, `Re/ln`, and `Im/ln`.
This seems to imply that the Re and Im commands can be extended to handle user-defined functions. Why, then, does it not seem to even attempt to recognize `Re/myFunc`? (Incidentally, Re(V) where V is of type Vector doesn't seem to work either, perhaps the developers of the LinearAlgebra package ran into this same problem?)
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