public SDVariable where(String name, SDVariable x, SDVariable condition) {
    SDValidation.validateNumerical("where", "x", x);
    SDValidation.validateBool("where", "condition", condition);
    SDVariable out =  new org.nd4j.linalg.api.ops.impl.controlflow.Where(sd,x, condition).outputVariable();
    return sd.updateVariableNameAndReference(out, name);