/**
* Calulates vector which divides v1 and v2 in 1:s
*
* @return Vector dividing v1,v2 in 1:s
*/
public static Vector3D intepolate(Vector3D v1, Vector3D v2, double s) {
if (s == -1) return null;
return (v1.scale(s).add(v2)).scale(1 / (s + 1));
}
/** @return v1.v3(v2)-v1.v2(v3) */
public static Vector3D vectorTripleProduct(Vector3D v1, Vector3D v2, Vector3D v3) {
Vector3D rv;
rv = v3.scale(v1.DotProduct(v3));
rv = rv.subtract(v2.scale(v1.DotProduct(v2)));
return rv;
}
/** @return Component of this vector parallel to given vector */
public Vector3D Get_Parallel_Component(Vector3D dirVector3D) {
return dirVector3D.scale(this.DotProduct(dirVector3D.getUnitVector()));
}