Questions tagged [simplifying-expressions]
Questions on manipulating complicated expressions and making them look simpler using Simplify, FullSimplify and Reduce.
2,647 questions
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Summation contains additional $\frac{\zeta(3)}{8\pi^2}$ term if evaluated without presimplification
As noted in this math.se question from 2018 (which was using WolframAlpha and Mathematica 7.0, though it persists in 14.0.0), Mathematica's evaluation of the following sum depends on where the ...
- 151
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How to Simplify 'unordered' lists of expressions
Say I have a list containing some expressions, for instance
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- 357
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Factor out specific term
I want to transform expr by factoring out only the E^(-t γ) term. I could implement it like in my code below, but is there a ...
- 1,484
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Symbolically solving a set of three-variable nonlinear equations fails to get a simplified result
I want to use Solve to find symbolic solutions of the following set of equations and get simplified or factorised symbolic solutions. The equations are
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- 73
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Is there a better way to simplify logical expressions re than FullSimplify?
I have an example where Reduce outputted
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- 2,380
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Simplifying expression containing square roots to zero
Why does Mathematica not simplify the following expression to zero?
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Why isn't Mathematica recognizing that exponents distribute over products? [closed]
I would expect the command
FullSimplify[(a b)^p == a^p b^p, {a, b, p} > 0]
to evaluate to True. But it doesn't; it just ...
- 1,888
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Simplifying expression involving square roots and fractional powers
After using FullSimplify on an input expression, Mathematica ends up with
$$
-c L \sqrt{\frac{\delta \epsilon }{c L \sqrt{-\left((\delta -1) \epsilon (\delta +\...
- 51
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List the positions off all Parts of expression
Say I have
expr=a (b + c (d (f + g) + e (j + i)));
Then when I use Depth I find the expression has a depth of ...
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2
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Simplifying fractions with complex numbers
How can I cajole Mathematica to transform
(a+b*I)/(c+d*I)
into
((a*c+b*d)+I*(b*c-a*d))/(c^2+d^2)
I tried the following, but it ...
- 231
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Obtaining reverse Polish notation from expression
I need to obtain the reverse Polish notation from an expression consisting of symbols and the &&, || operators.
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- 647
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Behaviour of Integrate with GenerateConditions flag
I am trying the following integral with Mathematica 13.3
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- 1,957
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Series expansion involving incomplete Beta function
I am trying to expand the following around u=1/2.
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- 1,957