CAS command question
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01-06-2017, 08:11 PM
Post: #42
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RE: CAS command question
(01-06-2017 05:59 PM)DrD Wrote: Unfortunately, this approach fails to return the (lhs or rhs), unless the input is constrained to coefficients with approximate numbers: You have to feed it a valid expression. Your example fails because it is an invalid expression all on its own, not because of issues with the commands. Typing: (1/3)x+(1/6)y<=80 into the CAS view and you will get an error (implicit multiplication -- there are a number of threads on this topic, I believe). You can, of course, check for this by simply doing an IFERR block for CAS(EVAL(s)). Code: export lhs(s) Graph 3D | QPI | SolveSys |
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