https://wikidocs.net/book/2155
https://github.com/deeplearningzerotoall/TensorFlow
https://tykimos.github.io/2017/06/10/Model_Save_Load/
https://ardentdays.tistory.com/20
https://ysyblog.tistory.com/72
https://bskyvision.com/465
https://ratsgo.github.io/linear%20algebra/2017/03/23/linearity/
https://nittaku.tistory.com/272
https://cake.tistory.com/27?category=498558
https://hleecaster.com/ml-logistic-regression-concept/
https://blog.naver.com/rlaghlfh/220914107525
https://ko.d2l.ai/chapter_deep-learning-basics/backprop.html
https://dgkim5360.tistory.com/entry/understanding-long-short-term-memory-lstm-kr
https://techblog-history-younghunjo1.tistory.com/130