離散化

https://gyazo.com/f93915a12c022e873b3337ac0a8b2c3b

https://gyazo.com/fe7300ada3c76e141926567053021cc5

https://gyazo.com/4380e5a2fd78189f321c76bd33da0454

https://gyazo.com/b0e9033d420f3725c719cb269ab5a2e1

https://gyazo.com/9eee70ad5665706eb6c1b9250f2896c9

https://gyazo.com/506a8ce46588f9b9e6d9db66cacabb74

https://gyazo.com/f3a3f98c390c1d5558a0fabc594bc10d

https://gyazo.com/c19defd011f35d78113454fdd0388c73