Math Problem Statement

读取csv文件中的数据,采用boltzman函数和三次有理式函数高精度拟合,绘图并将拟合结果输出到csv文件

Solution

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Math Problem Analysis

Mathematical Concepts

Nonlinear Curve Fitting
Boltzmann Function
Rational Function

Formulas

Boltzmann function: f(x) = (A1 - A2) / (1 + exp((x - x0) / dx)) + A2
Rational function: f(x) = (a0 + a1*x + a2*x^2 + a3*x^3) / (1 + b1*x + b2*x^2 + b3*x^3)

Theorems

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Suitable Grade Level

Advanced Level