Method encode

addition-rnn-webworker/worker.js:50–60

* Convert a string into a one-hot encoded tensor. * * @param str The input string. * @param numRows Number of rows of the output tensor. * @returns The one-hot encoded 2D tensor. * @throws If `str` contains any characters outside the `CharacterTable`'s * vocabulary.

(str, numRows)

   *   vocabulary.
   */
  encode(str, numRows) {
    const buf = tf.buffer([numRows, this.size]);
    for (let i = 0; i < str.length; ++i) {
      const char = str[i];
      if (this.charIndices[char] == null) {
        throw new Error(`Unknown character: '${char}'`);
      }
      buf.set(1, i, this.charIndices[char]);
    }
    return buf.toTensor().as2D(numRows, this.size);
  }

  encodeBatch(strings, numRows) {
    const numExamples = strings.length;