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数値積分

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概要

  • 与えられた関数$f(x)$を区間$[a,b]$で積分したい
  • 区間$[a,b]$を$n$個の微小区間に分割して、各区間の面積を計算する

qiita-integer-1.png

  • 面積の計算法は、各手法によって異なる

代表的な解法

台形則
中点則
シンプソン則

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