Mupad simplify Invalid argument of type 2

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Hao Sun 2019-11-8

评论： Walter Roberson 2019-11-9

Mupad

simplify((( x^3+a*x+b) -(y^3+a*y+b) )^2/(x-y)^4, OutputType="Proof")

Error: Invalid type of argument number 2.

Evaluating: simplify

what is wrong here???

Walter Roberson 2019-11-8

OutputType is an option for the MuPAD function Simplify (capital-S) not for the MuPAD function simplify (lower-case S)

Hao Sun 2019-11-9

okay with uppercase S Simplify still gives me the error

Simplify((( x^3+a*x+b) -(y^3+a*y+b) )^2/(x-y)^4, OutputType="proof")

Error: Invalid type of argument number 2.

Evaluating: Simplify

Walter Roberson 2019-11-9

It has to be Proof not proof -- I ran into this myself last night.

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R2019a

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