Subtracts one vector from another.

	// prints (-5.0,-3.0,-1.0,1.0)
	print (Vector4(1,2,3,4) - Vector4(6,5,4,3));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        print(new Vector4(1, 2, 3, 4) - new Vector4(6, 5, 4, 3));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		print((Vector4(1, 2, 3, 4) - Vector4(6, 5, 4, 3)))

Negates a vector.

	// prints (-1.0,-2.0,-3.0,-4.0)
	print (-Vector4(1,2,3,4));

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        print(-new Vector4(1, 2, 3, 4));
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		print(-Vector4(1, 2, 3, 4))