[zw024005]

小弟刚刚接触matlab，请问哪位高人帮我画幅图
S =
(-epsilon^4*sin(309/1250)+3*epsilon^2*sin(309/1250)+epsilon^4+epsilon^2)/(-sin(309/1250)+1-epsilon^2*sin(309/1250)+epsilon^2)
范围-1到1 plot（epsilon,S）