matlab处理txt文件数据

read_txtfile.,m

clear
close all
clc
%load函数一般将用来导入纯数字的文件，可以是文本格式的文件或者是matlab保存的mat格式的文件
position=load('坐标点.txt');   %将.txt数据读入到matlab工作空间

[m,n]=size(position);    %获得数据矩阵的大小
j=1;
sumx=0;
sumy=0;
for i=1:10
    sumx=sumx+position(i,1);
    sumy=sumy+position(i,2);
end
ave(j,1)=sumx/10;ave(j,2)=sumy/10;  %求平均值并存在ave中
j=j+1;
sumx=0;
sumy=0;
for i=11:19
    sumx=sumx+position(i,1);
    sumy=sumy+position(i,2);
end
ave(j,1)=sumx/9;ave(j,2)=sumy/9;
j=j+1;
sumx=0;
sumy=0;
for i=20:24
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/5;ave(j,2)=sumy/5;
j=j+1;
sumx=0;
sumy=0;
for i=25:34
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/10;ave(j,2)=sumy/10;
j=j+1;
sumx=0;
sumy=0;
for i=35:41
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/7;ave(j,2)=sumy/7;
j=j+1;
sumx=0;
sumy=0;
for i=42:47
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/6;ave(j,2)=sumy/6;
j=j+1;
sumx=0;
sumy=0;
for i=48:53
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/6;ave(j,2)=sumy/6;
j=j+1;
sumx=0;
sumy=0;
for i=54:58
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/5;ave(j,2)=sumy/5;
j=j+1;
sumx=0;
sumy=0;
for i=59:63
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/5;ave(j,2)=sumy/5;
j=j+1;
sumx=0;
sumy=0;
for i=64:68
sumx=sumx+position(i,1);
sumy=sumy+position(i,2);
end
ave(j,1)=sumx/5;ave(j,2)=sumy/5;

save('ave.txt','ave','-ASCII');     %将变量ave的数据写入ave.txt文件并保存,使用ASCII格式
save('test.txt','-ASCII')   %把当前工作空间的所有变量保存到test.txt文件中

ave变量数据

坐标点.txt数据

264,715  
258,719  
274,728  
264,728  
254,728  
257,733  
260,731  
262,733  
268,733  
270,739  
225,605  
223,598  
210,605  
220,610  
223,615  
209,615  
230,620  
220,622  
205,618  
168,538  
168,542  
164,544  
168,545  
174,544  
210,455  
180,455  
175,452  
170,453  
185,460  
178,460  
190,470  
183,473  
175,472  
180,476  
120,400  
119,388  
112,394  
125,410  
114,405  
116,410  
113,416  
96,304  
88,305  
100,312  
93,311  
86,310  
94,315  
10,451  
11,449  
13,450  
16,450  
12,453  
15,455  
162,660  
161,659  
159,659  
160,657  
164,658  
110,561  
110,563  
110,565  
109,567  
112,568  
105,473  
106,471  
103,473  
107,475  
104,477