简单应用例子求导 CIc clear ° syms z y=cos(x)2+sin(x/2 y=simple(y) y1=diff(cos(x)2) y2=(z^3+2*z^2+1)(^2-1.5*z+0.5) y3-diff(y2) y4=simplify(y3) y5- factor(z^2-1.5*z+0.5)• 简单应用例子-求导 • clc • clear • syms x z • y=cos(x)^2+sin(x)^2 • y=simple(y) • y1=diff(cos(x)^2) • y2=(z^3+2*z^2+1)/(z^2-1.5*z+0.5) • y3=diff(y2) • y4=simplify(y3) • y5=factor(z^2-1.5*z+0.5)