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X labeling from file

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Micah
Micah 2011-9-9
I have a file formatted as follows:
a c g g t c c a
I want to use those characters as labels for a plot. I understand you can use set(gca,'XTickLabel',{var}) to set the axis, but I can't seem to import the data in a way that it can be read. I have tried textread, textscan, csvread (putting commas after ever character), and straight importdata. I can get a 1xn array consisting of those characters, but I can't use them as labels. Error message is:
??? Error using ==> set
Cell array of strings may only contain string and numeric matrices
Any advice?
Thanks

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采纳的回答

Micah
Micah 2011-9-9
I got it to work using the following:
bars = [0,0,985,62,...] (the data)
num = [1, 2, 3, 4,...] (just integers increasing)
seq = [a,f,c,f,...] (the labels)
plot(bars)
set(gca,'XTick',[num])
set(gca, 'XTickLabel', seq)

更多回答（1 个）

Walter Roberson
Walter Roberson 2011-9-9
labs = textscan(fid, '%s');
set(gca, 'XTickLabel', labs);
  2 个评论
Micah
Micah 2011-9-9
That doesn't seem to work. I typed
>> fid = fopen('x.txt');
>> labs = textscan(fid, '%s');
>> set(gca,'XTickLabel',{labs})
??? Error using ==> set
Cell array of strings may only contain string and numeric matrices
Micah
Micah 2011-9-9
also tried
>> fid = fopen('x.txt');
>> labs = textscan(fid, '%s');
>> set(gca, 'XTickLabel', labs)
(using no braces)

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