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C语言试题164之求定积分
2022-06-09 21:35:00 【码莎拉蒂 .】
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1、题目
题目:利用梯形法计算定积分
其中, f(x)=x3+3x2-x+2。
分析:
根据定积分的定义分析可得:[x0,x1],[x1,x2],···,[xn-1,xn],将定积分的区间 [a,b] 分成 n 个子区间,其中:
若右边的极限存在,其极限值即为定积分的值。理论上区间分得越细,越逼近定积分实际的值,一般采用梯形法近似计算定积分的值,把区间 [a,6] 划分成 n 等份,则任意
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