September 2017 Update

Task/Identity-matrix/Kotlin/identity-matrix.kotlin

@@ -0,0 +1,17 @@
+// version 1.0.6
+
+fun main(args: Array<String>) {
+    print("Enter size of matrix : ")
+    val n = readLine()!!.toInt()
+    println()
+    val identity = Array(n) { IntArray(n) } // create n x n matrix of integers
+
+    // enter 1s in diagonal elements
+    for(i in 0 until n) identity[i][i] = 1
+
+    // print identity matrix if n <= 40
+    if (n <= 40)
+        for (i in 0 until n) println(identity[i].joinToString(" "))
+    else
+        println("Matrix is too big to display on 80 column console")
+}