Another update from ingydotnet^djgoku

Task/Matrix-transposition/PowerShell/matrix-transposition.psh

@@ -0,0 +1,23 @@
+function transpose($a) {
+    if($a.Count -gt 0) {
+        $n = $a.Count - 1
+        foreach($i in 0..$n) {
+            $j = 0
+            while($j -lt $i) {
+                $a[$i][$j], $a[$j][$i] = $a[$j][$i], $a[$i][$j]
+                $j++
+            }
+        }
+    }
+    $a
+}
+function show($a) {
+    if($a.Count -gt 0) {
+        $n = $a.Count - 1
+        0..$n | foreach{ "$($a[$_][0..$n])" }
+    }
+}
+$a = @(@(2, 4, 7),@(3, 5, 9),@(4, 1, 6))
+show $a
+""
+show (transpose $a)