Identity matrix: Difference between revisions

Content added Content deleted

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@@ Line 1,665: / Line 1,665: @@
 ===ES6===
 <lang JavaScript>(() => {
-    // idMatrix :: Int -> [[0 | 1]]
+    // identityMatrix :: Int -> [Int]
-    const idMatrix = n => Array.from({
+    const identityMatrix = n =>
+        Array.from({
             length: n
         }, (_, i) => Array.from({
@@ Line 1,675: / Line 1,675: @@
         }, (_, j) => i !== j ? 0 : 1));
-    // show :: a -> String
-    const show = JSON.stringify;
+    // ----------------------- TEST ------------------------
-    // TEST
-    return idMatrix(5)
+    return identityMatrix(5)
-        .map(show)
+        .map(JSON.stringify)
         .join('\n');
 })();</lang>
 {{Out}}
 <pre>[1,0,0,0,0]