All Questions
Tagged with undocumented equation-solving
7
questions
3
votes
0
answers
60
views
11
votes
0
answers
131
views
Eliminate variable with partially documented Solve feature Solve[eqns,vars,elims]. Robust?
The Eliminating Variables section on Manipulating Equations and Inequalities documentation quotes an otherwise undocumented feature for Solve
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- 36.9k
6
votes
1
answer
216
views
Implicit Riccati Equation Solver (to find the anti-stabilizing solution)
I've found that the latest MATLAB icare() solver includes the possibility to find also the anti-stabilizing solution of the Riccati equation.
I haven't found a ...
- 2,202
7
votes
1
answer
134
views
Is AlgebraicRulesData magical?
I am trying to understand what AlgebraicRules is all about in the answer to this question. It apparently returns an ...
- 19.7k
6
votes
1
answer
431
views
How do I prevent Root and RootSum from expanding over quadratic roots?
For cubic and higher order polynomials, Root and RootSum are generally left unevaluated:
...
- 19.7k
18
votes
2
answers
2k
views
Behavior of Reduce with variables as domain
When using Reduce, I accidentally put a set of variables as the domain. To my surprise, it not only seems that Reduce expects ...
- 1,752
17
votes
1
answer
793
views
What Method options does FindInstance accept?
While answering Trouble getting FindInstance to return multiple results for certain constraints it became clear that for this problem FindInstance would be better ...
- 272k