Timeline for Complex number operations: telling Mathematica variables are real
Current License: CC BY-SA 3.0
3 events
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| Nov 11, 2021 at 20:36 | comment | added | Confounded |
Refine doesn't seem to be recognized by Wolfram Alfa - any suggestions on how to defines variables as Real there? Thank you.
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| Sep 27, 2017 at 18:44 | comment | added | Jess Riedel |
Note that the first method will tend to convert exponentials to trig functions, which can cause very undesirable behavior if you have many exponentials (e.g., multiplying Gaussians together). The second method generally works well, but can arguably be improved by using _Symbol ∈ Reals as the assumption instead of {a, b} ∈ Reals since the former allows the method to be bundled into a function for re-use without passing the list of variables manually. See my alternate answer.
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| Aug 12, 2012 at 5:38 | history | answered | Rojo | CC BY-SA 3.0 |