Sweetened syntax for uncoupled systems of ODEs in NDSolve[]
Upgrading legacy polyhedra code
Why does NMinimize report unbounded for $-1 \leq y^3 \leq 1$ but not for the equivalent linear constraint?
Why does NMinimize fail with Method -> "Gurobi" for this constrained problem?
FindInstance returns no solution when solving for odd integers
All curves after the first lose their transparency after export to PDF
Folding (hiding) parts of code
Sweetened syntax for uncoupled systems of ODEs in NDSolve[] https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319122
I just discovered the following "works": ... [differential-equations] [numerical-integration] [undocumented]
asked by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999
Score of 7 answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999
Score of 7 Upgrading legacy polyhedra code https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319094
The following code runs in version 4.0 but fails in version 14.0. How can I fix it to work in modern versions of Mathematica? ... [graphics3d] [compatibility] [polyhedra]
asked by Linda https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=43679
Score of 7 answered by azerbajdzan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=53172
Score of 4 Why does NMinimize report unbounded for $-1 \leq y^3 \leq 1$ but not for the equivalent linear constraint?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319102
I encountered an inconsistency when using NMinimize with constraints that are mathematically equivalent. Consider the following examples: ... [mathematical-optimization] [bugs]
asked by internet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87122
Score of 6 answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999
Score of 2 Why does NMinimize fail with Method -> "Gurobi" for this constrained problem?
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319134
I am trying to solve the following optimization problem using NMinimize with the "Gurobi" method: ... [mathematical-optimization]
asked by internet https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=87122
Score of 5 answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628
Score of 5 FindInstance returns no solution when solving for odd integers https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319127
In a question on Mathematics SE, a comment observes that Mathematica 14.3 reports non-solvability of (a relaxation of) the given problem Is there an odd $a \neq 1$ s.t. $2^k + 1 | a^k - 1$ for all $k ... [findinstance]
asked by Eric Towers https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=16237
Score of 4 answered by Michael E2 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=4999
Score of 7 All curves after the first lose their transparency after export to PDF
https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319110
... [plotting] [pdf-format] [opacity]
asked by WillG https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=59634
Score of 4 answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628
Score of 3 Folding (hiding) parts of code https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=319114
By writing some long code ( Module[...] , Block[...] , etc.) placed within one cell, it's difficult to promptly operate it (... [front-end]
asked by Yuri https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=102384
Score of 3