protected sealed override OMatrix MixedDifferential(State state, IManifoldPoint basePoint2, OSquareMatrix baseDifferential, double time) { return((time / 2) * (VelocityDifferential(state.BasePoint) + VelocityDifferential(basePoint2) * baseDifferential)); }
protected abstract OMatrix MixedDifferential(State state, IManifoldPoint basePoint2, OSquareMatrix baseDifferential, double time);