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lwj
2025-06-13 23:55:26 +08:00
parent 3fc9330dd6
commit 13abd95ada
1 changed files with 6 additions and 6 deletions
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120-3.py
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@@ -1,11 +1,11 @@
x1, x2 = 3, 6
x1, x2 = 3, 6
def fx(x): def fx(x):
return x/(4+x**2) return x/(4+x**2)
# 复合Newton-Cotes公式 复合牛顿-科特斯公式 # 复合Newton-Cotes公式 复合牛顿-柯特斯公式
# n等分参数，x1到x2的区间，type=1表示梯形法，type=2表示辛普森法 # n等分参数，x1到x2的区间，type=1表示梯形法，type=2表示辛普生法
def CompositeNewtonCotes(n, type): def CompositeNewtonCotes(n, type):
if type == 1: if type == 1:
h = (x2 - x1) / n h = (x2 - x1) / n
@@ -25,8 +25,8 @@ def CompositeNewtonCotes(n, type):
if __name__ == "__main__": if __name__ == "__main__":
# 复合梯形公式，点数为n+1 # 复合梯形公式，点数为n+1
print("复合梯形公式\n", CompositeNewtonCotes(8, 1)) print("复合梯形公式\n", CompositeNewtonCotes(8, 1)) #8等分，1代表是梯形公式
# 复合辛普森公式，点数为2n+1 # 复合辛普生公式，点数为2n+1
print("复合辛普森公式\n", CompositeNewtonCotes(4, 2)) print("复合辛普生公式\n", CompositeNewtonCotes(4, 2)) #4等分，2代表是辛普生公式