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bbgodfrey

55.6k13 gold badges80 silver badges140 bronze badges

earned this badge 36 times.

Solve stiff system by shooting method

Awarded Dec 25 '20 at 17:02

HoldForm does not Hold Form for fractions sometimes

Awarded Dec 8 '20 at 0:02

PDE of real-world system, integral boundary condition

Awarded Jul 1 '20 at 18:51

Piecewise differential equation

Awarded Jun 2 '20 at 12:12

DSolve doesn't work

Awarded Apr 6 '20 at 16:20

Calculating sum of BesselJ[n, x]

Awarded Mar 16 '20 at 9:45

Integral Too Hard For Mathematica

Awarded Jan 16 '20 at 14:30

Shading the surface of the 3D plot

Awarded Jan 13 '20 at 3:05

FindRoot evaluates the exact same point multiple times. Why?

Awarded Jan 11 '20 at 3:55

InverseFourierTransform of simple function takes forever

Awarded Jan 10 '20 at 6:15

Integration of a rapidly oscillating function

Awarded Dec 17 '19 at 9:20

Integrating over $x$ in numerically solving a partial integrodifferential equation

Awarded Jun 2 '19 at 19:40

Stiff second order ODE

Awarded Apr 16 '19 at 18:40

Initial time as parameter in ParametricNDSolve

Awarded Mar 26 '19 at 13:05

Solution diverges in periodic PDE

Awarded Dec 18 '18 at 11:45

Incorrect evaluation of integral involving a DiracDelta, whose argument has infinitely many zeros

Awarded Jun 24 '18 at 8:50

Rearrange an algebraic expression so that each variable appears only once

Awarded May 18 '18 at 20:12

Is there a plot style for PolarPlot to look like matlab polar()?

Awarded Feb 20 '18 at 16:12

How to represent $f(x) = (y-x)^k \log(y-x)$ as a summation of the form $f(x) = \sum\limits_{j=0}^\infty \cdots$?

Awarded Jan 16 '18 at 14:01

Trying to find the asymptote to a function

Awarded Sep 18 '17 at 5:04

Can I get rid of the noise in my differential equation solution?

Awarded Jul 20 '17 at 4:09

Nonlinear PDE solver

Awarded Jun 28 '17 at 10:07

Unexpected results from trying to solve Laplace's equation

Awarded May 3 '17 at 14:39

Any possibility to speed up this code?

Awarded Nov 24 '16 at 15:36

How to sample points randomly below a curve?

Awarded Nov 22 '16 at 12:19

Why this real integral yields imaginary results?

Awarded Sep 27 '16 at 12:37

Finding “nice” solution for under-determined system with constraint?

Awarded Jul 23 '16 at 12:00

Vastly incorrect answers obtained by increasing WorkingPrecision with modified Bessel functions

Awarded May 25 '16 at 1:46

How to “inform” successive ContourPlot calculations?

Awarded Jan 13 '16 at 16:51

Is it possible to Parallelize Select?

Awarded Jan 7 '16 at 13:39

Diverging solution to coupled second order ODEs from NDSolve

Awarded Oct 2 '15 at 21:24

Von Kármán Vortices

Awarded Aug 14 '15 at 12:06

Solve differential equation using a integral form boundary condition

Awarded Jun 27 '15 at 13:11

The envelope of a set of translated and rotated ellipses

Awarded Jun 26 '15 at 12:16

Boundary sphere partial differential equation

Awarded Feb 2 '15 at 8:12

Problem with ContourPlot [Not smooth curve]

Awarded Jan 25 '15 at 17:01

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