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Results tagged with simplifying-expressions
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user 68767
Questions on manipulating complicated expressions and making them look simpler using Simplify, FullSimplify and Reduce.
0
votes
1
answer
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Surd factors do not auto cancel each other out
Simplify[Sqrt[Pr] - (Sqrt[Pr/Ra])*Sqrt[Ra]]
The above command should give me 0 as the simplified outcome, but it keeps generating the following
However, after I manually split that fraction of surd …
- 167
5
votes
2
answers
289
views
Eigenvalues of a fourth-order ODE
Consider the following ODE for $y(x)$ over $x\in\left[0,\frac{1}{2}\right]$ with an eigenvalue $\lambda$
$\qquad 2x\,y''''+ 4y'''=\lambda\, y''$
The boundary conditions at $x=\frac{1}{2}$ are $y'\le …
- 167