Examples by Topic

Differential Equations

 
Mathematics
Differential Equations

Ordinary Differential Equations

solve a linear ordinary differential equation

y'' + y = 0

w"(x)+w'(x)+w(x)=0

specify initial values

y'' + y = 0, y(0)=2, y'(0)=1

solve an inhomogeneous equation

y''(t) + y(t) = sin t

x^2 y''' - 2 y' = x

solve an equation involving a parameter

y'(t) = a t y(t)

solve a nonlinear equation

f'(t) = f(t)^2 + 1

y"(z) + sin(y(z)) = 0

find differential equations satisfied by a given function

differential equations sin 2x

differential equations J_2(x)

solve an ODE using a specified numerical method

Runge-Kutta method, dy/dx = -2xy, y(0) = 2, from 1 to 3, h = .25

{y'(x) = -2 y, y(0)=1} from 0 to 2 by implicit midpoint

specify an adaptive method

solve {y'(x) = -2 y, y(0)=1} from 0 to 10 using r k f algorithm

plot a Bessel function

plot J2(x)

integrate a spherical Bessel function

integrate spherical Bessel j3(x)

Spheroidal Functions

evaluate S1 numerically

Spheroidal S1(1,0,2.5,1)