rk2
rk2(
f,tSpan,y0,options):any
Defined in: fixed.js:144
Integrate y’ = f(t, y) with the explicit midpoint method (2nd order).
Parameters
f
Function
(t, y) => dydt; y is Array
tSpan
[number, number]
[t0, tEnd] (tEnd may be < t0 for backward integration)
y0
number | number[]
Initial state
options
nSteps?
number
Number of equal steps across tSpan
step?
number
Fixed step size h > 0 (required unless nSteps given; wins if both)
Returns
any
{t, y, success, message, nfev, nsteps}