feat:node-modules

node_modules/mathjs/lib/esm/utils/switch.js

@@ -0,0 +1,20 @@
+/**
+ * Transpose a matrix
+ * @param {Array} mat
+ * @returns {Array} ret
+ * @private
+ */
+export function _switch(mat) {
+  var I = mat.length;
+  var J = mat[0].length;
+  var i, j;
+  var ret = [];
+  for (j = 0; j < J; j++) {
+    var tmp = [];
+    for (i = 0; i < I; i++) {
+      tmp.push(mat[i][j]);
+    }
+    ret.push(tmp);
+  }
+  return ret;
+}