Questions tagged [simplifying-expressions]
Questions on manipulating complicated expressions and making them look simpler using Simplify, FullSimplify and Reduce.
2,656 questions
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Why does Assumptions not work? [closed]
The following line
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How do I improve simplification in Wolfram Engine for expressions with poles and cancellable square roots?
The responses to my previous question "Are there any tips/tricks to improve simplification..." were very helpful, but as I move forward in the same personal project mentioned in that ...
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Are there any tips/tricks to improve simplification of this flavor of expression in Wolfram Engine?
I've been using Wolfram Engine 14.3 for a personal project, and a common problem I've encountered is that its outputs — even after using Simplify[], ...
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Validating if an ansatz is solving a nonlinear-ODE
I came here because I am stuck. I were using Wolfram-Alpha online to trying to find the solution to a nonlinear ODE in the following question in MSE, and I made after some assumptions a little toy ...
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How to simplify Log[x]/2 into Log[Sqrt[x]]?
Simplify[Log[Sqrt[x]]] yields Log[x]/2. How can I reverse this?
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How do not modify exponents in the interval (0,1)?
Mathematica probably considers the expression 6*2^(3/4)*3^(1/8) to be simpler than 2^(7/4)*3^(9/8)
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Avoiding composite trigonometric functions [closed]
I'm handling large expressions involving sines and cosines, and I'm realizing that Mathematica replacing 1/Sin[x] for Csc[x] or <...
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Why FullSimplify do not automatically remove integrals which are zero when they are Inactive?
Sometimes DSolve returns solution with Inactive integrals in them (since they can't be evaluated).
But when trying to verify the solution against the ode or the IC, ...
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Simplifying expressions with Log function
After FullSimplify this expression, the $\log \left(P_f\right)-\log \left(P_i\right)$ didn't transformed to $\log \left(\frac{P_f}{P_i}\right)$. Could I know the ...
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Simplification of terms C Exp[a+b x] to C Exp[a]Exp[bx]
I have an expression of the form
C1 Exp[a1+b1 x] + C2 Exp[a2+b2 x] + C3 Exp[a3+b3 x] + ...
Where variables C, ...
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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 ...
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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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Why this simple phase factor cannot be simplified?
This example surprises me a lot:
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Collect with respect to different expressions in x
I have some expression like this
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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 ...