Math Problem Statement

p(x),N(s(x))是已知的连续函数,L是已知量,x属于(0到正无穷),s(x)是p(x)/B在0到x的积分,s(x-L)是p(x)/B在0到x-L的积分,x=<L时,p(x)=N(s(x)),x>L时,P((x))-p((x-L))=N(s(x)),能解出基于x的N(s(x))和p(x),t(x)是p(x)/A对x的导数,可用近视值代替, t(x)是p(x)/A对x的导数,可用近视值代替, python编写数值求解,根据描述方程改正代码增加DOP853RK45等计算方法,并为输入函数及参数设置界面 2024/9/24 14:55:31 复制

Solution

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Math Problem Analysis

Mathematical Concepts

Numerical Analysis
Ordinary Differential Equations (ODE)
Integration
Initial Value Problems
Runge-Kutta Methods

Formulas

s(x) = ∫(0 to x) p(x') / B dx'
s(x-L) = ∫(0 to x-L) p(x') / B dx'
For x <= L: p(x) = N(s(x))
For x > L: p(x) - p(x-L) = N(s(x))
t(x) = dp(x)/dx = p(x)/A

Theorems

Numerical Solution of ODEs
Runge-Kutta Method
Trapezoidal Rule for Numerical Integration

Suitable Grade Level

Graduate Level