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edit approved Oct 28, 2013 at 17:55

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I'm getting a huge output, but it appears that almost every term should actually just be zeroeszero, unless I'm misunderstanding the expression.

For example, part of the output reads

a (0.25 + 0. b) + b^2 (0. + 0./c) + b (-1. + 0. c) - 0.5 c + ( b (-1. b - 0.5 c) c)/a^2

a (0.25 + 0. b) + b^2 (0. + 0./c) + b (-1. + 0. c) - 0.5 c + (b (-1. b - 0.5 c) c)/a^2

SimplifySimplify and FullSimplifyFullSimplify won't get rid of these zero terms even with assumptions that a,ba,b and cc are real and non-zero. Suggestions ?

I'm getting a huge output but it appears that almost every term should actually just be zeroes, unless I'm misunderstanding the expression.

For example, part of the output reads

a (0.25 + 0. b) + b^2 (0. + 0./c) + b (-1. + 0. c) - 0.5 c + ( b (-1. b - 0.5 c) c)/a^2

Simplify and FullSimplify won't get rid of these zero terms even with assumptions that a,b and c are real and non-zero.

I'm getting a huge output, but it appears that almost every term should actually be zero, unless I'm misunderstanding the expression.

For example, part of the output reads

a (0.25 + 0. b) + b^2 (0. + 0./c) + b (-1. + 0. c) - 0.5 c + (b (-1. b - 0.5 c) c)/a^2

Simplify and FullSimplify won't get rid of these zero terms even with assumptions that a,b and c are real and non-zero. Suggestions ?

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asked Oct 28, 2013 at 17:31

Joe Comer

Mathematica won't simplify multiplication by zero

I'm getting a huge output but it appears that almost every term should actually just be zeroes, unless I'm misunderstanding the expression.

For example, part of the output reads

a (0.25 + 0. b) + b^2 (0. + 0./c) + b (-1. + 0. c) - 0.5 c + ( b (-1. b - 0.5 c) c)/a^2

Simplify and FullSimplify won't get rid of these zero terms even with assumptions that a,b and c are real and non-zero.

simplifying-expressions