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Task/Identity-matrix/Sidef/identity-matrix.sidef

@@ -0,0 +1,12 @@
+func identity_matrix(n) {
+    1..n -> map { |i|
+        1..n -> map {|j| j == i ? 1 : 0 }
+    }
+}
+
+(ARGV.len ? ARGV.map{.to_i} : [4, 5, 6]) -> each { |n|
+  say "\n#{n}:";
+  identity_matrix(n).each { |row|
+    say row.join(' ');
+  }
+}