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Variable name in title

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b
b 2017-3-31
评论： Steven Lord 2021-11-28
After loading in a data file, the following variables are assigned to the individual columns of the data file:
pressure1=dataFile(:,1);
temperature1=dataFile(:,2);
humidity1=dataFile(:,3);
...
If I plot all the columns using a for loop,
for i=1:47
figure;
Plot(dataFile(:,i))
title
saveas
close
end
then what to write in the title line so that it automatically puts 'pressure1' as the title when i=1, 'temperature1' as the title when i=2, 'humidity1' as the title when i=3, and so on? Also, how to use the saveas command (or any other alternative) so that the figure gets saved in the variable names, i.e. pressure1.jpg, temperature1.jpg, humidity1.jpg etc.

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回答（2 个）

Jan
Jan 2017-3-31
Althoug meaningful names of variables are a good programming practice, they should not carry information which is used for processing. The output of a program should be the same, if a variable is renamed. Then:
NameList = {'pressure1', 'temperature1', 'humidity1', ...}
for i=1:47
figure;
plot(dataFile(:, i))
title(NameList{i})
end
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gowtham balu
gowtham balu 2021-11-28
how do i use loops to find the min and max value within a specified range of values.
every 0.5 seconds there is a sample taken. 0 to 0.5s one max and min value ...so 0.5s= 1 cycle. totally 10000 cycles.
please see the attached text file with this comment
please help me....because i dont know how to use syntax in matlab
Steven Lord
Steven Lord 2021-11-28
This does not appear to be related to the original question. Ask it as a new question instead of as a comment on an answer for this existing question.

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KSSV
KSSV 2017-3-31
for i=1:47
figure;
Plot(dataFile(:,i))
str = strcat('pressure',num2str(i)) ;
title(str)
saveas(gcf,str,'jpg')
close
end

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