public Vector3D(double a1, Vector3D u1, double a2, Vector3D u2, double a3, Vector3D u3, double a4, Vector3D u4)
{
this.x = MathArrays.linearCombination(a1, u1.x, a2, u2.x, a3, u3.x, a4, u4.x);
this.y = MathArrays.linearCombination(a1, u1.y, a2, u2.y, a3, u3.y, a4, u4.y);
this.z = MathArrays.linearCombination(a1, u1.z, a2, u2.z, a3, u3.z, a4, u4.z);
}
public Vector3D crossProduct(Vector3D v)
{
Vector3D v3 = (Vector3D)v;
return(new Vector3D(MathArrays.linearCombination(this.y, v3.z, -this.z, v3.y), MathArrays.linearCombination(this.z, v3.x, -this.x, v3.z), MathArrays.linearCombination(this.x, v3.y, -this.y, v3.x)));
}
public Vector3D(double a1, Vector3D u1, double a2, Vector3D u2)
{
this.x = MathArrays.linearCombination(a1, u1.x, a2, u2.x);
this.y = MathArrays.linearCombination(a1, u1.y, a2, u2.y);
this.z = MathArrays.linearCombination(a1, u1.z, a2, u2.z);
}
public double dotProduct(Vector3D v)
{
Vector3D v3 = (Vector3D)v;
return(MathArrays.linearCombination(this.x, v3.x, this.y, v3.y, this.z, v3.z));
}