Introduction - If you have any usage issues, please Google them yourself
Trapezoidal area approximation formula: In = Tn = h/2 (f (a)+ F (b)) variable-length trapezoidal area: T2n = Tn/2+ H/2Σf (Xk+ H/2) Simpson area : I2n = (4T2n-Tn)/3
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tixingongsi.txt