R语言绘图中 在x轴或者y轴输出π

发布时间 2023-07-08 22:39:41作者: 小鲨鱼2018

 

001、

par(mfrow = c(2,2))
plot(1:10, main = 1111)
plot(1:10, xlab = pi, main = 2222)     
plot(1:10, xlab = bquote(pi), main = 3333)       ##借助bquote函数输出π
plot(1:10, xlab = "π", main = 4444)              ## 直接输出π