Simple Matlab/Octave Commands to Process Data

最新推荐文章于 2022-02-28 22:01:57 发布

bonny95

最新推荐文章于 2022-02-28 22:01:57 发布

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分类专栏： Matlab/Octave

本文链接：https://blog.youkuaiyun.com/bonny95/article/details/8267672

本文介绍了如何在Matlab或Octave中使用函数进行数据处理和绘制多个数据集的图形，帮助用户理解这两种工具的基础操作。

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To load data in following format stored in a text file "read_pos' into Matlab/Octave, use commands<br />

f=fopen('read_pos','r'); % open file
a=textscan(f,'%s%d');  % read file
y=a{2}; % a is a cell: a{1} stores read id, a{2} stores numbers.

Then data of the second column are stored in variable y.

r12353.1 	2407054.5
r12361.1 	5328858.5
r12363.1 	2360272
r12368.1 	4726440.5
r12372.1 	2224001
r12373.1 	5165613.5
r12381.1 	501776
r12385.1 	3475398
r12394.1 	3376364
r12401.1 	2142875.5
r12411.1 	2191090.5
r12419.1 	1240590
r12420.1 	4903572
r12422.1 	767011.5
r12426.1 	3575915.5
r12429.1 	554956
r12433.1 	4786335
r12435.1 	3373955.5
r12442.1 	5363611.5
r12452.1 	1903660.5
r12454.1 	2784165
r12466.1 	5137479
r12470.1 	592191

If there are only numbers stored in file "read_pos", following commands should be used: