이처럼 편미분은 변수가 하나인 미분과 마찬가지로 특정 장소의 기울기를 구합니다. 단, 여러
변수 중 목표 변수 하나에 초점을 맞추고 다른 변수는 값을 고정합니다. 앞의 예에서는 목표 변
수를 제외한 나머지를 특정 값에 고정하기 위해서 새로운 함수를 정의했지요. 그리고 그 새로
정의한 함수에 대해 그동안 사용한 수치 미분 함수를 적용하여 편미분을 구한 것입니다.
4.4
기울기
앞 절의 예에서는
x
0
와
x
1
의 편미분을 변수별로 따로 계산했습니다. ...
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