/// <summary>
/// Subtracts a scalar from a vector.
/// </summary>
/// <param name="v">A <see cref="Vector3D"/> instance.</param>
/// <param name="s">A scalar.</param>
/// <returns>A new <see cref="Vector3D"/> instance containing the difference.</returns>
/// <remarks>
/// result[i] = v[i] - s
/// </remarks>
public static Vector3D operator-(Vector3D v, double s)
{
return(Vector3D.Subtract(v, s));
}
/// <summary>
/// Subtracts a vector from a scalar.
/// </summary>
/// <param name="v">A <see cref="Vector3D"/> instance.</param>
/// <param name="s">A scalar.</param>
/// <returns>A new <see cref="Vector3D"/> instance containing the difference.</returns>
/// <remarks>
/// result[i] = s - v[i]
/// </remarks>
public static Vector3D operator-(double s, Vector3D v)
{
return(Vector3D.Subtract(s, v));
}
/// <summary>
/// Subtracts a vector from a vector.
/// </summary>
/// <param name="u">A <see cref="Vector3D"/> instance.</param>
/// <param name="v">A <see cref="Vector3D"/> instance.</param>
/// <returns>A new <see cref="Vector3D"/> instance containing the difference.</returns>
/// <remarks>
/// result[i] = v[i] - w[i].
/// </remarks>
public static Vector3D operator-(Vector3D u, Vector3D v)
{
return(Vector3D.Subtract(u, v));
}