Newton-Raphson failed to converge within 10000 iterations

[ityutao]

2019/8/29 -500000000 2019/10/20 6882638.89 2020/1/20 11947222.22 2020/4/20 11817361.11 2020/7/20 11817361.11 2020/8/29 50000000 2020/8/29 506458.33 2020/10/20 10752500 2021/1/20 10752500 2021/2/28 50000000 2021/2/28 506458.33 2021/4/20 9350000 2021/7/20 9453888.89 2021/8/30 532430.56 2021/8/30 50000000 2021/10/20 8363055.56 2022/1/20 8363055.56 2022/2/28 506458.33 2022/2/28 50000000 2022/4/20 7012500 2022/7/20 7090416.67 2022/8/29 3116666.67 2022/8/29 300000000