rf-dy/dt ( x..nt gamma -- dy )

Vocabulary

math.runge-kutta.examples

Inputs

x..nt	an object
gamma	an object

Outputs

dy

an object

Definition

USING: math sequences ;

IN: math.runge-kutta.examples

:: rf-dy/dt ( x..nt gamma -- dy )
    x..nt first3 :> ( x y z ) x 3 z * 1 + x sq - * gamma y * + ;