Initial data commit

Task/Identity-matrix/BASIC256/identity-matrix.basic

@@ -0,0 +1,25 @@
+arraybase 1
+do
+    input "Enter size of matrix: ", n
+until n > 0
+
+dim identity(n, n) fill 0  #we fill everything with 0
+
+# enter 1s in diagonal elements
+for i =  1 to n
+    identity[i, i] = 1
+next i
+
+# print identity matrix if n < 40
+print
+
+if n < 40 then
+    for i = 1 to n
+        for j = 1 to n
+            print identity[i, j];
+        next j
+        print
+    next i
+else
+    print "Matrix is too big to display on 80 column console"
+end if