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Student Support Forum: 'substitution of x^2 + y^2 + z^2=1 into expressi...' topicStudent Support Forum > General > Archives > "substitution of x^2 + y^2 + z^2=1 into expressi..."

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william
02/20/02 07:05am

I would like mathematica to use a^2 + b^2 + c^2=1 wherever possible to simplify some calculations.

when I try expr/.a^2 + b^2 + c^2=1 i get `tag plus in a^2 + b^2 + c^2 is protected' or when I try expr/.a=Sqrt[etc] i get tag replaceall is protected

any ideas?

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Subject (listing for 'substitution of x^2 + y^2 + z^2=1 into expressi...')
Author Date Posted
substitution of x^2 + y^2 + z^2=1 into expressi... william 02/20/02 07:05am
Re: substitution of x^2 + y^2 + z^2=1 into expr... Forum Modera... 02/25/02 05:59am
Re: substitution of x^2 + y^2 + z^2=1 into expr... John Leko 02/25/02 09:43am
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