clrk4exf.m

Advanced Engineering Mathematics using MATLAB by Harman, Dabney, Richert,书中全部源码

function ydot=clrk4exf(t,y)
% CALL: ydot=clrk4exf(t,y) define ydot=f(t,y) for each t 
ydot=y;    % Define first order system 
%
% This example ydot is ydot(t)=y(t). Changing the definition
%  defines another system.