/// <summary>
/// Projects this vector onto other vector.
/// </summary>
/// <param name="other">The vector being projected onto</param>
/// <returns></returns>
public DoubleVector2 ProjectOnto(DoubleVector2 other)
{
var numerator = other.Dot(this);
var denominator = other.SquaredNorm2D();
return(new DoubleVector2(
(other.X * numerator) / denominator,
(other.Y * numerator) / denominator));
}
/// <summary>
/// result * other ~= Proj(this onto other)
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public double ProjectOntoComponentD(DoubleVector2 other)
{
return(other.Dot(this) / other.SquaredNorm2D());
}