Data commit

Task/Identity-matrix/Lua/identity-matrix.lua

@@ -0,0 +1,18 @@
+function identity_matrix (size)
+        local m = {}
+        for i = 1, size do
+                m[i] = {}
+                for j = 1, size do
+                        m[i][j] = i == j and 1 or 0
+                end
+        end
+        return m
+end
+
+function print_matrix (m)
+        for i = 1, #m do
+                print(table.concat(m[i], " "))
+        end
+end
+
+print_matrix(identity_matrix(5))