Solution of an initial value problem - Predefined cases

select the test problem:
f(y,t) = -2y with y(0) = 1 (description)
f(y,t) = y2 with y(0) = 0.5 (description)
the restricted three body problem(description)
a nonlinear RLC circuit with a tunnel diode in parallel (description)
the reduced Reynolds equation (description)
f(y,t) = y2, if 0<= t <= 1/sqrt(2) and
f(y,t) = 2(y-y(1/sqrt(2))-1), if t > 1/sqrt(2).
initial value y(0) = 1 (description)

Select the integrator:
Euler/Euler modified
Dormand and Prince Runge-Kutta 4/5
Rosenbrock-Wanner 4/5
RADAU5 (fully implicit Runge-Kutta)

Should automatic stepsize selection be used?
automatic please specify: precision wanted
tol = Important: 0 < tol < 1 !

Specify smally:
smally = Important: smally > 0 !

fixed stepsize: h = Important: h > 0 !

How many subintervals should be treated separately? 1 means direct integration from a to b. 1 <= num <= 100.

Warning!!! - This may take some time.

Click on "evaluate", in order to submit your input.

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23.06.2010