2
votes
1answer
109 views

Mathematica unable to solve equation numerically while Wolfram|Alpha can

I want to solve the following equation 2 x == Sinh[x] Mathematica is unable to do so ...
7
votes
1answer
87 views

Need a generalization of RootApproximant to recognize linear combinations over algebraic numbers

RootApproximant does a very good job when I need to recognize an algebraic number and when enough of its digits are known (or even when an unlimited number of ...
37
votes
1answer
922 views

How to compare power towers in Mathematica?

First I tried it directly, but it overflowed: ...