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ACCC1380
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duifenyi

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ACCC1380 commited on
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Update 定积分作业.m

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  1. 定积分作业.m +5 -0
定积分作业.m CHANGED
@@ -4,3 +4,8 @@ f = @(x) log(1 + x) ./ (1 + x.^2);
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  % 计算定积分
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  jifen = integral(f, 0, 1)
 
 
 
 
 
 
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  % 计算定积分
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  jifen = integral(f, 0, 1)
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+
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+ %梯形
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+ x=[0.3:0.2:1.5]
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+ y=[0.3895,0.6598,0.9147,1.1611,1.3971,1.6212,1.8325]
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+ I=trapz(x,y)