matlab求导函数
求n阶导函数
syms x y=atan(x) dy=diff(y,x) figure(1) ezplot(dy) d2y=diff(y,x,2) figure(2) ezplot(d2y)
1.定积分:
syms x fun=x*sin(x) int(fun,x,0,2*pi)
2.不定积分:
syms x,y,z fun=sin(x*y+z) int(fun,x)
matlab解决积分问题:
y=dsolve('D2y+2*x=2*y','x') y=dsolve('Dy=1/(1+x^2)-2*y^2','y(0)=0','x') ezplot(y)
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