The simplify tag has no wiki summary.
2
votes
1answer
135 views
7
votes
2answers
98 views
How to simplify an expression with special functions to zero
The following is a well-known Bessel function identity:
$$J_{-n}(z)=(-1)^n J_n(z),\qquad n\in\mathbb Z$$
To check this, I used the following code and the result is as what I expected.
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12
votes
1answer
95 views
How to instruct FullSimplify to assume that PossibleZeroQ returns correct result?
Sometimes I have a really huge expression that cannot be significantly simplified by FullSimplify. I would like to, so to speak, "simplify with faith" using ...
0
votes
1answer
85 views
Simplifying Complex Numbers that contain physical units
I am trying to evaluate the following:
Simplify[Meter Nano Re[(a + I b)/(Meter Nano)], Assumptions -> Element[{a, b}, Reals]]
However, Mathematica returns:
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1
vote
1answer
72 views
Why is a non-convergent series simplified to zero?
Sum[Sin[n*x]*Sin[n] /. x -> 1, {n, 1, Infinity}] ==
Sum[Sin[n*x]*Sin[n], {n, 1, Infinity}] /. x -> 1
Sum::div: Sum does not converge. >>
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11
votes
2answers
189 views
Simplify assumes Boolean 1 and 0 in logical expressions
Per this chat discussion and this previous question where I encountered the strange behaviour:
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7
votes
1answer
107 views
Why does simplification in Mathematica depend on variable names
Mathematica fails to put the following into an obvious simplest form:
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1
vote
1answer
73 views
Why Solve and Simplify give different results? [closed]
I want to solve the following equation
y == (1/(1/4 + y) - 1/(3/4 - y))/((1/4 + y) + 1/(3/4 - y))
I tried
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4
votes
1answer
156 views
Properly Force Mathematica to Simplify Log Expressions/Rules
I want to be able to expand $\log(x^n e^x) = n \log(x) +x$:
FullSimplify[Log[x^n Exp[x]], x > 0 && Element[n, Integers] && n > 1]
yields
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4
votes
1answer
89 views
How can I prevent a polynomial from being simplified?
I'm having a problem with polynomials. Let's say I have a polynomial "2x^2 - 5x + 6 - 3x^2" .. How can I check that this expression is not simplified ? Additionally, I would like to locate the ...
6
votes
1answer
84 views
Simplify with TransformationFunctions, Bug?
I want to use custom transformation functions in Simplify, but mathematica does not seem to use them properly. Consider the following
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