public INDArray replaceWhere(INDArray update, INDArray from, Condition condition) {
    NDValidation.validateNumerical("replaceWhere", "update", update);
    NDValidation.validateNumerical("replaceWhere", "from", from);
    return Nd4j.exec(new org.nd4j.linalg.api.ops.impl.transforms.comparison.CompareAndReplace(update, from, condition));
  }