关于曲线的问题 [英] a question about curve

问题描述

大家好，我对曲线有疑问.
我想画一条这样的曲线:
http://blog.csdn.net/happyxyzw/article/details/6853471 [ ^ ]

我不知道该怎么做.曲线是不连续的.
thi，nk you.

hi all,i have a question about curve.
i want to make a curve like this:
http://blog.csdn.net/happyxyzw/article/details/6853471[^]

i don''t know how to make it.The curve is discontinuous.
tnk you.

推荐答案

Y --------------------------- ------------------------
------------------------- 60 ------------- 60 ------ 70 ---
-------------------------------------------------- -
----------------- 40 --------------------------------
---------- 20 ------------------ 20 -------------------
--- 10 ----------------------------------------------
X --day1 --- day2 --- day3 --- day4 --- day5 --- day6 --- day7 ---

我只想画一条链接[60,60,70]的线.
怎么做?

Y ---------------------------------------------------
-------------------------60-----------60------70---
---------------------------------------------------
-----------------40--------------------------------
----------20------------------20-------------------
---10----------------------------------------------
X --day1---day2---day3---day4---day5---day6---day7---

i only want to draw a line linked [60,60,70].
how to do it?

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