User zhk

8 votes

2 answers

8k views

How to extract data from a contour plot to a text file?

asked Sep 8, 2013 at 5:05

1 vote

2 answers

5k views

How can I produce multiple column data for export?

asked Aug 26, 2013 at 5:48

3 votes

2 answers

3k views

Power::infy: "Infinite expression 1/0. encountered" (ODE Solution using NDSolve)

asked May 21, 2015 at 14:46

6 votes

3 answers

2k views

How to input Robin boundary conditions for nonstandard Laplace equation?

asked May 28, 2017 at 12:28

6 votes

2 answers

967 views

NDSolve::ntdvdae: Cannot solve to find an explicit formula for the derivatives

asked Sep 29, 2019 at 2:46

7 votes

1 answer

853 views

Free Convective Heat Transfer of Non-Newtonian Power Law Fluids from a Vertical Plate

asked Dec 17, 2016 at 13:40

5 votes

4 answers

789 views

Stiff coupled system of ODE's

asked Mar 17, 2016 at 4:08

8 votes

1 answer

700 views

How to solve a system of PDEs with zip condition?

asked Nov 12, 2016 at 7:32

1 vote

2 answers

667 views

Exporting data from a Plot3D

asked Feb 11, 2018 at 6:28

1 vote

1 answer

597 views

General::ivar: is not a valid variable [duplicate]

asked May 29, 2020 at 7:48

5 votes

1 answer

595 views

NDSolve::femcmsd: The spatial derivative order of the PDE may not exceed two

asked Jan 4, 2020 at 10:08

1 vote

1 answer

584 views

Equivalent of Maple `ShowSolution` command in Matematica [duplicate]

asked Jan 18, 2017 at 6:17

7 votes

2 answers

557 views

NDSolve Plotting issue

asked Nov 18, 2013 at 0:58

10 votes

1 answer

546 views

Issue with the NDSolve code

asked Oct 28, 2013 at 13:53

3 votes

2 answers

382 views

A system of ODE's with one less initial condition

asked Oct 27, 2016 at 6:44

8 votes

2 answers

373 views

Why does InverseLaplaceTranform give an incorrect solution?

asked Dec 30, 2016 at 4:29

1 vote

1 answer

349 views

How to create a data table from an expression which take values from NDSolve?

asked Dec 26, 2016 at 4:28

1 vote

1 answer

348 views

Solving a system of fractional differential equations

asked Jan 28 at 13:26

2 votes

1 answer

314 views

NIntegrate::inumr: "The integrand `E^(-0.9τ1) DiracDelta[t-τ1] v[t-τ1] x[t-τ1]` has evaluated to non-numerical values "

asked Oct 7, 2015 at 13:59

5 votes

2 answers

313 views

How to solve a system of FDE?

asked Jan 16 at 5:24

1 vote

2 answers

309 views

PDE plotting assistance needed

asked Nov 27, 2013 at 2:35

1 vote

1 answer

302 views

How to validate the solution of a system of integro-differential equations?

asked Feb 5, 2017 at 16:24

3 votes

1 answer

283 views

How to implement the finiteness condition for a PDE?

asked Sep 24, 2016 at 11:44

0 votes

1 answer

279 views

Why empty plot (Dsolve solution)?

asked Jun 9, 2015 at 16:15

2 votes

0 answers

273 views

Solving a coupled PDEs using FEM with Robin conditions

asked Nov 24, 2017 at 3:50

0 votes

1 answer

248 views

Using data from NDSolve into a secondary equation

asked May 7, 2016 at 3:25

0 votes

1 answer

232 views

Missing curves in a plot [closed]

asked May 24, 2016 at 14:54

3 votes

2 answers

222 views

ParametricNDSolveValue::ndsz

asked Jan 6, 2021 at 2:44

1 vote

1 answer

209 views

How to code this iterative process?

asked Jan 9, 2021 at 1:35

0 votes

1 answer

204 views

Plotting boundary value expression against a parameter

asked Jul 22, 2013 at 4:19

Stack Exchange Network

43 Questions

How to extract data from a contour plot to a text file?

How can I produce multiple column data for export?

Power::infy: "Infinite expression 1/0. encountered" (ODE Solution using NDSolve)

How to input Robin boundary conditions for nonstandard Laplace equation?

NDSolve::ntdvdae: Cannot solve to find an explicit formula for the derivatives

Free Convective Heat Transfer of Non-Newtonian Power Law Fluids from a Vertical Plate

Stiff coupled system of ODE's

How to solve a system of PDEs with zip condition?

Exporting data from a Plot3D

General::ivar: is not a valid variable [duplicate]

NDSolve::femcmsd: The spatial derivative order of the PDE may not exceed two

Equivalent of Maple `ShowSolution` command in Matematica [duplicate]

NDSolve Plotting issue

Issue with the NDSolve code

A system of ODE's with one less initial condition

Why does InverseLaplaceTranform give an incorrect solution?

How to create a data table from an expression which take values from NDSolve?

Solving a system of fractional differential equations

NIntegrate::inumr: "The integrand `E^(-0.9τ1) DiracDelta[t-τ1] v[t-τ1] x[t-τ1]` has evaluated to non-numerical values "

How to solve a system of FDE?

PDE plotting assistance needed

How to validate the solution of a system of integro-differential equations?

How to implement the finiteness condition for a PDE?

Why empty plot (Dsolve solution)?

Solving a coupled PDEs using FEM with Robin conditions

Using data from NDSolve into a secondary equation

Missing curves in a plot [closed]

ParametricNDSolveValue::ndsz

How to code this iterative process?

Plotting boundary value expression against a parameter