matlab程序中ode45复杂调用格式解微分方程。-matlab program for solving differential equations ode45 complex call format.

matlab运用ode45的简单调用解微分方程范例。-the use of a simple call to matlab ode45 paradigm for solving differential equations.

单自由度系统对初始条件和简谐激励相应 由单自由度的运动方程和初始条件得到二阶非齐次常微分方程，它的解有对应的齐次方程的通解和非齐次方程的特接构成。-Single degree of freedom system to initial conditions and the corresponding harmonic excitation Special general solution of the equations of motion and initial conditions b

数值分析中各种代码几何，包括差值函数，牛顿逼近，以及微分方程的解。所以优化参考。-Numerical analysis of various geometric code, including the difference between the functions, Newton approximation, as well as solving differential equations. So Optimization Reference.