gusucode.com > 数学建模竞赛:露天矿的开采问题,运用lingo与matlab编程,内附代码 > 数学建模竞赛:露天矿的开采问题,运用lingo与matlab编程,内附代码/work4/rigid1.m
function dy = rigid(t,y) dy = zeros(3,1); % a column vector dy(1) = y(2) * y(3); dy(2) = -y(1) * y(3); dy(3) = -0.51 * y(1) * y(2);