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I am trying to use Given-Find to solve for 2 unknows. Mathcad gives error saying this variable is undefined. Please see Mathcad attached. Wondered how to fix this. Mathcad is attached.
You must have guess values for two unknown, the keyword given, two equation with two unknown and the function find.
Your usage of a solve block is wrong.
Check Mathcad's Help on solve blocks and correct your errors, then come back if there are still problems.
Success!
Luc
P.S. Here is an example of a working solve block, and some explanation, referring to Prime, but also valid for 'real' Mathcad. Note that, contrary to my statement there, you can use units, except when you want to use odesolve...