org.apache.commons.math3.ode

## Interface SecondOrderDifferentialEquations

• ### Method Summary

Methods
Modifier and Type Method and Description
void computeSecondDerivatives(double t, double[] y, double[] yDot, double[] yDDot)
Get the current time derivative of the state vector.
int getDimension()
Get the dimension of the problem.
• ### Method Detail

• #### getDimension

int getDimension()
Get the dimension of the problem.
Returns:
dimension of the problem
• #### computeSecondDerivatives

void computeSecondDerivatives(double t,
double[] y,
double[] yDot,
double[] yDDot)
Get the current time derivative of the state vector.
Parameters:
t - current value of the independent time variable
y - array containing the current value of the state vector
yDot - array containing the current value of the first derivative of the state vector
yDDot - placeholder array where to put the second time derivative of the state vector