Data commit

Task/Identity-matrix/JavaScript/identity-matrix-1.js

@@ -0,0 +1,8 @@
+function idMatrix(n) {
+    return Array.apply(null, new Array(n))
+        .map(function (x, i, xs) {
+            return xs.map(function (_, k) {
+                return i === k ? 1 : 0;
+            })
+        });
+}

Task/Identity-matrix/JavaScript/identity-matrix-2.js

@@ -0,0 +1,16 @@
+(() => {
+
+    // identityMatrix :: Int -> [[Int]]
+    const identityMatrix = n =>
+        Array.from({
+            length: n
+        }, (_, i) => Array.from({
+            length: n
+        }, (_, j) => i !== j ? 0 : 1));
+
+
+    // ----------------------- TEST ------------------------
+    return identityMatrix(5)
+        .map(JSON.stringify)
+        .join('\n');
+})();