Data commit

Task/Matrix-transposition/ActionScript/matrix-transposition.as

@@ -0,0 +1,23 @@
+function transpose( m:Array):Array
+{
+	//Assume each element in m is an array. (If this were production code, use typeof to be sure)
+
+	//Each element in m is a row, so this gets the length of a row in m,
+	//which is the same as the number of rows in m transpose.
+	var mTranspose = new Array(m[0].length);
+	for(var i:uint = 0; i < mTranspose.length; i++)
+	{
+                //create a row
+		mTranspose[i] = new Array(m.length);
+                //set the row to the appropriate values
+		for(var j:uint = 0; j < mTranspose[i].length; j++)
+			mTranspose[i][j] = m[j][i];
+	}
+	return mTranspose;
+}
+var m:Array = [[1, 2, 3, 10],
+	       [4, 5, 6, 11],
+	       [7, 8, 9, 12]];
+var M:Array = transpose(m);
+for(var i:uint = 0; i < M.length; i++)
+	trace(M[i]);