vault backup: 2023-11-16 09:34:19

Prog/Array.md

@@ -1,3 +1,4 @@
+## Simple array (1 dimension)
 An array is a vector in a collection
 
 To declare an array we use :
@@ -17,3 +18,23 @@ b = 0
 ```
 
 We see that an array start from $0$ to $n-1$
+
+## Complex array (x dimension)
+To create a vect with multiple dimension, we just have to declare an array and add a brackets to define multiple dimension
+
+```csharp
+// First version
+public static void Main() {
+	int[,] mat = new int[12, 9] // Declare an array of two dimensions mat with default value for [0] 
+	mat[3, 4] = 12;
+}
+
+// Second version
+public static void Main() {
+	int[,] mat = {
+		{ 2, 3 },
+		{ 4, 5 }
+	};
+	mat[3, 4] = 12;
+}
+```