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Apr
17
comment Boundary condition not correctly imposed for NDSolve
By default, no. NDSolve quiet dumb here, it's only solves the equation with given accuracy and precision. For additional analysis there is at least "StiffnessSwitching" Method for NDSolve. And Stiffness Detection.
Apr
17
answered Boundary condition not correctly imposed for NDSolve
Apr
17
comment Boundary condition not correctly imposed for NDSolve
First, you have very unstable equation, try various initial values, like 10^-6, 10^-3 and other in the 1/10^6 point. Also, this equation perfectly analytically solvable.
Apr
17
revised EllipticK error message
improved formatting
Apr
17
comment EllipticK error message
possible duplicate of How to use EllipticK in a plot and avoid getting the "not a machine-sized real number" error message?
Apr
17
suggested approved edit on EllipticK error message
Apr
17
comment Using Runge-Kutta method to find arc length
@user27670 Plot3D needs two parameters for plotting, not only t. Does the Plot[tfn[t], {t, 0, 2*Pi}] is what you need?
Apr
16
revised About the wrong evaluation of an integral
improved formatting
Apr
16
suggested approved edit on About the wrong evaluation of an integral
Apr
14
comment Unable to Solve (for arclength parametrization)
Are you plan to solve for an undefined r?
Apr
13
revised Integrating ODE's
improved overall formatting
Apr
13
suggested approved edit on Integrating ODE's
Apr
12
answered Streamline Plot from velocity discrete values
Apr
12
comment Deriving a Rayleigh distribution
Yeah, I know, I just provide a usefull information that other Mathematica version have other output.
Apr
12
comment Deriving a Rayleigh distribution
I'm getting WeibullDistribution[2, Sqrt[2]/Sqrt[1/\[Sigma]^2]] for d2. Mathematica 10.1.
Apr
12
revised Streamline Plot from velocity discrete values
improved formatting
Apr
12
comment Streamline Plot from velocity discrete values
And what is the u and v? Have you looked in the ListStreamPlot documentation?
Apr
12
suggested approved edit on Streamline Plot from velocity discrete values
Apr
11
revised RegionPlot returning a number
improved with links
Apr
11
suggested approved edit on RegionPlot returning a number