返回信息流做赫兹实验要求画的那图要描的点太多了，而且横轴还是小数点后三位，懒得手工了，想起matlab，于是开始上网查查咋个画图。。。。。。（此处省略几个字儿）。。。
最后我的输入是这样的：
x =[0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,
5.5,6.0,6.5,7.0,7.5,8.0,8.5,9.0,9.5,10.0,
10.5,11.0,11.5,12.0,12.5,13.0,13.5,14.0,14.5,15.0,
15.5,16.0,16.5,17.0,17.5,18.0,18.5,19.0,19.5,20.0,
20.5,21.0,21.5,22.0,22.5,23.0,23.5,24.0,24.5,25.0,
25.5,26.0,26.5,27.0,27.5,28.0,28.5,29.0,29.5,30.0,
30.5,31.0,31.5,32.0,32.5,33.0,33.5,34.0,34.5,35.0,
35.5,36.0,36.5,37.0,37.5,38.0,38.5,39.0,39.5,40.0,
40.5,41.0,41.5,42.0,42.5,43.0,43.5,44.0,44.5,45.0,
45.5,46.0,46.5,47.0,47.5,48.0,48.5,49.0,49.5,50.0,
50.5,51.0,51.5,52.0,52.5,53.0,53.5,54.0,54.5,55.0,
55.5,56.0,56.5,57.0,57.5,58.0,58.5,59.0,59.5,60.0,
60.5,61.0,61.5,62.0,62.5,63.0,63.5,64.0,64.5,65.0,
65.5,66.0,66.5,67.0,67.5,68.0,68.5,69.0,69.5,70.0,
70.5,71.0,71.5,72.0,72.5,73.0,73.5,74.0,74.5,75.0,
75.5,76.0,76.5,77.0,77.5,78.0,78.5,79.0,79.5,80.0];
y = [0,0,0,0,0,0,0,0,0,0.006,
0.014,0.024,0.033,0.044,0.059,0.077,0.104,0.125,0.155,0.183,
0.214,0.241,0.259,0.244,0.252,0.258,0.271,0.283,0.301,0.315,
0.326,0.335,0.341,0.347,0.348,0.352,0.258,0.364,0.370,0.375,
0.370,0.366,0.372,0.376,0.376,0.379,0.374,0.379,0.397,0.435,
0.495,0.555,0.596,0.635,0.667,0.691,0.708,0.727,0.740,0.757,
0.767,0.747,0.721,0.685,0.654,0.596,0.548,0.503,0.463,0.440,
0.450,0.500,0.566,0.629,0.684,0.732,0.778,0.819,0.853,0.884,
0.906,0.926,0.973,1.005,1.013,0.983,0.934,0.859,0.771,0.694,
0.621,0.586,0.637,0.706,0.776,0.844,0.926,1.005,1.052,1.092,
1.134,1.160,1.180,1.196,1.206,1.198,1.202,1.226,1.222,1.176,
1.109,1.008,0.910,0.857,0.892,0.987,1.101,1.213,1.321,1.432,
1.510,1.588,1.637,1.672,1.682,1.687,1.657,1.600,1.564,1.548,
1.620,1.587,1.524,1.436,1.322,1.213,1.154,1.167,1.232,1.321,
1.395,1.426,1.451,1.479,1.530,1.581,1.625,1.693,1.713,1.715,
1.709,1.699,1.711,1.680,1.633,1.578,1.515,1.492,1.469,1.469];
plot(x,y);
然后输出的图像居然是这样的：
http://hi.baidu.com/hackmonster/album/item/a56575006e061d95101fc0807bf40ad163d9ca9d.html#
不明白为什么会有这么多条线，不是应该只有一条的吗？
还请高手指教指教，第一次用这东西，还是很手生啊，呵呵。。。。
这是一条镜像帖。来源：北邮人论坛 / matlab / #8776同步于 2012/3/9
该镜像源已超过 30 天没有更新，可能在源站已被删除。
Matlab机器人发帖
第一次用plot就出现问题了
hackmonster
2012/3/9镜像同步2 回复
订阅后，新回复会通过你的通知中心匿名送达。
2 条回复
输入x，y矩阵的时候不能按回车换行，那样的话就变成二维的了，应该在每一行的末尾使用三个英文句号（...）。这样整个矩阵就是一起的了。
【 在 hackmonster 的大作中提到: 】
: 做赫兹实验要求画的那图要描的点太多了，而且横轴还是小数点后三位，懒得手工了，想起matlab，于是开始上网查查咋个画图。。。。。。（此处省略几个字儿）。。。
: 最后我的输入是这样的：
: x =[0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0,
: ...................