User Johnson

5 votes

1 answer

299 views

Neumann boundary conditions are not satisfied

asked May 17, 2022 at 6:27

3 votes

2 answers

211 views

How to refine FEM mesh for steady state 1D problem?

asked Jul 8, 2022 at 19:15

3 votes

2 answers

218 views

Inactive nonlinear ODE system results in NDSolveValue::femcnmd warning

asked Jul 17, 2022 at 19:28

3 votes

2 answers

113 views

Solving A System of Two Implicit Equations

asked Nov 11, 2023 at 20:52

2 votes

1 answer

108 views

How to setup FindFit function so that fitted function fits nicely to data points?

asked Dec 23, 2023 at 19:07

2 votes

1 answer

45 views

Unwanted Oscillation in Solution Occurs When Solving Poisson-Nernst-Planck Equation

asked Jul 20 at 11:29

2 votes

1 answer

90 views

Stiff system suspected error under certain parameter values

asked Mar 11, 2022 at 14:53

1 vote

0 answers

112 views

Step size is effectively zero / Stiff system by NDsolve when the parameter in system of ODEs is varying

asked Mar 20, 2022 at 16:11

1 vote

1 answer

378 views

Getting error message "The minimal damping factor of 1/10000 has been reached"

asked Jul 5, 2022 at 18:17

1 vote

1 answer

131 views

Problem Encountered when Solving a System Consisting of Two PDEs and an ODE in a Semi-NDSolve-based Approach

asked Mar 21 at 19:35

1 vote

1 answer

99 views

'Power::infy' and 'Infinity::indet:' error when solving systems of ODE

asked Feb 23, 2022 at 8:56

1 vote

0 answers

57 views

Unsolvable system of equations - NSolve takes too long to run

asked Sep 24, 2023 at 13:44

1 vote

1 answer

75 views

Singularity error when solving Poisson-Nernst-Planck equation

asked Jul 17 at 7:28

0 votes

0 answers

86 views

Specifying Prescribed Mesh to Solve for a System Consisting of Two PDEs and an ODE

asked Mar 14 at 18:21

0 votes

0 answers

46 views

Function becomes jagged when being multiplied with a very small prefactor

asked May 20 at 19:56

0 votes

0 answers

76 views

NDSolve for a set of 3 ODEs is taking too long to solve

asked Aug 21 at 16:11

0 votes

1 answer

228 views

How to copy Mathematica code into Microsoft Word?

asked May 16, 2022 at 14:37

0 votes

0 answers

73 views

How to make numbers on log axis to become format of 10^i [duplicate]

asked Jul 18, 2022 at 7:48

0 votes

1 answer

109 views

How to extract individual solution from a list of interpolating functions?

asked Jul 9, 2022 at 10:52

Stack Exchange Network

19 Questions

Neumann boundary conditions are not satisfied

How to refine FEM mesh for steady state 1D problem?

Inactive nonlinear ODE system results in NDSolveValue::femcnmd warning

Solving A System of Two Implicit Equations

How to setup FindFit function so that fitted function fits nicely to data points?

Unwanted Oscillation in Solution Occurs When Solving Poisson-Nernst-Planck Equation

Stiff system suspected error under certain parameter values

Step size is effectively zero / Stiff system by NDsolve when the parameter in system of ODEs is varying

Getting error message "The minimal damping factor of 1/10000 has been reached"

Problem Encountered when Solving a System Consisting of Two PDEs and an ODE in a Semi-NDSolve-based Approach

'Power::infy' and 'Infinity::indet:' error when solving systems of ODE

Unsolvable system of equations - NSolve takes too long to run

Singularity error when solving Poisson-Nernst-Planck equation

Specifying Prescribed Mesh to Solve for a System Consisting of Two PDEs and an ODE

Function becomes jagged when being multiplied with a very small prefactor

NDSolve for a set of 3 ODEs is taking too long to solve

How to copy Mathematica code into Microsoft Word?

How to make numbers on log axis to become format of 10^i [duplicate]

How to extract individual solution from a list of interpolating functions?