User bbgodfrey

6 votes

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Question about FindMaximum

answered Jun 24, 2015 at 1:29

2 votes

Find asymptotics of $\sum\limits_{i=0}^{n/3} 2^i \binom{n-i-1}{\frac{2n}{3}-1}$

answered Jun 22, 2015 at 19:43

4 votes

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Modeling a stellar atmosphere

answered Jun 22, 2015 at 13:26

2 votes

Using periodic boundary conditions in NDSolve

answered Jun 21, 2015 at 23:36

15 votes

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Solve differential equation using a integral form boundary condition

answered Jun 19, 2015 at 21:13

5 votes

When using NDsolve, how to determine the positions of steady states?

answered Jun 19, 2015 at 15:05

4 votes

KdV equation - wavebreaking and Galerkin method

answered Jun 17, 2015 at 11:35

11 votes

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Asymptotics of $\frac{\sum _{i=0}^{\lfloor n/2 \rfloor} {2(n-2i) \choose n-2i} {n \choose 2i} {4i \choose 2i}}{2^{3n - 1}}$

answered Jun 15, 2015 at 6:28

6 votes

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How to find the zero of a function defined by a non linear differential equation

answered Jun 14, 2015 at 13:57

1 vote

Solving two variable using two expressions each involving summation

answered Jun 13, 2015 at 0:56

9 votes

Numerical integration converging too slowly

answered Jun 12, 2015 at 14:37

1 vote

Simplifying Logs assuming arbitrary arguments real and positive

answered Jun 12, 2015 at 4:44

7 votes

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Solving $\frac{dx}{dt} = A \frac{ (1-x)}{(t-t^2)} - \frac{(Bx -Cx^2)}{(t-t^2 )*(t-x)}$

answered Jun 11, 2015 at 2:19

2 votes

Two ways to speed up slow Integrate[]s? (Can't do either)

answered Jun 10, 2015 at 5:33

10 votes

Subtracting two plots from each other after shifting one

answered Jun 8, 2015 at 2:11

13 votes

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Diverging solution to coupled second order ODEs from NDSolve

answered Jun 6, 2015 at 16:15

3 votes

Integral evaluation error

answered Jun 6, 2015 at 2:08

1 vote

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Compiling a summation

answered Jun 4, 2015 at 12:07

3 votes

Strange Boundary NDSolve Problem

answered Jun 2, 2015 at 20:13

0 votes

Formatting the results from solving a differential equation

answered Jun 2, 2015 at 4:48

2 votes

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Asymptotically Solving ODE with free parameters

answered May 30, 2015 at 5:37

0 votes

Common subexpression elemination of complicated function by nesting using HornerForm and Experimental`OptimizeExpression

answered May 29, 2015 at 22:14

9 votes

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NDSolve with shooting method

answered May 29, 2015 at 20:07

5 votes

Accepted

How to program efficient undershoot/overshoot

answered May 25, 2015 at 5:54

5 votes

Undo history cleared after removing comments - bug?

answered May 24, 2015 at 2:44

3 votes

Diff eqs can be solved?

answered May 23, 2015 at 21:26

9 votes

Using NDSolve within Manipulate

answered May 23, 2015 at 16:02

2 votes

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About Manipulate : How to make this work properly?

answered May 21, 2015 at 17:12

3 votes

Problem with 'time dependent' functions

answered May 20, 2015 at 18:54

5 votes

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Adding noise to nonlinear ODE system

answered May 18, 2015 at 18:26

Stack Exchange Network

1,190 Answers

Question about FindMaximum

Find asymptotics of $\sum\limits_{i=0}^{n/3} 2^i \binom{n-i-1}{\frac{2n}{3}-1}$

Modeling a stellar atmosphere

Using periodic boundary conditions in NDSolve

Solve differential equation using a integral form boundary condition

When using NDsolve, how to determine the positions of steady states?

KdV equation - wavebreaking and Galerkin method

Asymptotics of $\frac{\sum _{i=0}^{\lfloor n/2 \rfloor} {2(n-2i) \choose n-2i} {n \choose 2i} {4i \choose 2i}}{2^{3n - 1}}$

How to find the zero of a function defined by a non linear differential equation

Solving two variable using two expressions each involving summation

Numerical integration converging too slowly

Simplifying Logs assuming arbitrary arguments real and positive

Solving $\frac{dx}{dt} = A \frac{ (1-x)}{(t-t^2)} - \frac{(Bx -Cx^2)}{(t-t^2 )*(t-x)}$

Two ways to speed up slow Integrate[]s? (Can't do either)

Subtracting two plots from each other after shifting one

Diverging solution to coupled second order ODEs from NDSolve

Integral evaluation error

Compiling a summation

Strange Boundary NDSolve Problem

Formatting the results from solving a differential equation

Asymptotically Solving ODE with free parameters

Common subexpression elemination of complicated function by nesting using HornerForm and Experimental`OptimizeExpression

NDSolve with shooting method

How to program efficient undershoot/overshoot

Undo history cleared after removing comments - bug?

Diff eqs can be solved?

Using NDSolve within Manipulate

About Manipulate : How to make this work properly?

Problem with 'time dependent' functions

Adding noise to nonlinear ODE system