Igor Kotelnikov's user avatar
Igor Kotelnikov's user avatar
Igor Kotelnikov's user avatar
Igor Kotelnikov
  • Member for 10 years, 6 months
  • Last seen more than a week ago
  • Novosibirsk, Russia
9 votes
2 answers
343 views

How do I pose Neumann boundary condition to suppress particles flux into zero point?

7 votes
1 answer
254 views

How to change default font for all existing notebooks at once?

7 votes
0 answers
167 views

Is it possible to have 2 languages simultaneously activated for spell-checking text cells in Mathematica 11?

7 votes
1 answer
309 views

Flipping axis on a LogPlot

6 votes
2 answers
248 views

How to ensure for a solution of `NDSolve` to be positive?

5 votes
2 answers
116 views

Possible error in IsotopeData

5 votes
1 answer
169 views

Bug in HypergeometricPFQRegularized?

4 votes
2 answers
429 views

What's wrong in "Watt"/("Centimeters")^2 [closed]

4 votes
1 answer
179 views

Why "Repeated convergence test failure" disappears in rare cases while occurring in most runs?

3 votes
3 answers
238 views

Filling a curve to a vertical axis: Q#2

3 votes
1 answer
96 views

How to Refine HeavisideTheta or UnitStep?

3 votes
1 answer
468 views

Numerically solving 2 nonlinear PDEs of 2nd and 1st order

2 votes
0 answers
412 views

How to get the NDSolve to seek only a real solution?

2 votes
1 answer
72 views

If function's argument is close to an integer how to choose the function definition for the integer argument? [duplicate]

2 votes
2 answers
148 views

What is the most effective method of making function which should be different for real and integer arguments?

2 votes
3 answers
82 views

What is the best way to redefine a function that has type ambiguity 0/0 at an isolated point?

2 votes
2 answers
87 views

How can I Save function defintion without its DownValues?

2 votes
1 answer
115 views

Any practical benefit of preserving notebook history?

2 votes
0 answers
84 views

Controlling memory consumption by memoized function

2 votes
1 answer
75 views

How to remove debugging prints from my package?

2 votes
0 answers
76 views

Possible bug: Wrong limit for `EllipticE`?

1 vote
0 answers
55 views

How to run RootSearch with increased WorkingPrecision?

1 vote
0 answers
95 views

Can I speed up ParametricNDSolve by converting ODE to DAE?

1 vote
0 answers
40 views

How can I transform an expression with radicals to RootSum?

1 vote
1 answer
68 views

How to Plot a function f[x] wirh x running from max to min? [duplicate]

1 vote
0 answers
222 views

How to synchronise bar legends zeros for a set of DensityPlots? [duplicate]

1 vote
0 answers
93 views

How to control variant of digits for a given font?

1 vote
0 answers
142 views

RootSearch problem when called from within ParallelDo

1 vote
0 answers
51 views

Possible bug: Wrong differentiation of ParametricFunction inside Parallelize?

0 votes
0 answers
198 views

How to pose Dirichlet and Neumann BCs on same boundary?