var a : Vector4 = Vector4 (1, 2, 3, 5);
var b : Vector4 = Vector4 (4, 3, 2, 0);
print (Vector4.Max(a,b)); // prints (4.0,3.0,3.0,5.0)

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public Vector4 a = new Vector4(1, 2, 3, 5);
    public Vector4 b = new Vector4(4, 3, 2, 0);
    void Example() {
        print(Vector4.Max(a, b));
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public a as Vector4 = Vector4(1, 2, 3, 5)

    public b as Vector4 = Vector4(4, 3, 2, 0)

    def Example():
        print(Vector4.Max(a, b))