exm020204.m

matlab电子书籍

syms a x;f=a*sin(x)+5

f1=subs(f,'sin(x)',sym('y'))															%<2>
class(f1)

f2=subs(f,{a,x},{2,sym('pi/3')})													%<3>
class(f2)

f3=subs(f,{a,x},{2,pi/3})																%<4>
class(f3)

f4=subs(subs(f,a,2),x,0:pi/6:pi)													%<5>
class(f4)

f5=subs(f,{a,x},{0:6,0:pi/6:pi})													%<6>
class(f5)