Undefined function 'xline' for input arguments of type 'double'.
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Have been working on a project on my laptop and university computer and when I sent over my data the 'xline' function no longer worked on the matlab file and renders the error - "Undefined function 'xline' for input arguments of type 'double'." and is not working for any value of xline(x1) that I enter on the computer.
1 个评论
Setsuna Yuuki.
2020-12-1
Are you sure your arguments are valid?
%for example:
xline(1);
采纳的回答
Jon
2020-12-1
3 个投票
Is it possible that the university computer is running an outdated version of MATLAB? According to the documentation xline was introduced in 2018b. Type ver on the command line to see what version you are running. Otherwise it could be a path problem. Make sure that the directory where the xline.m file is found, e.g. C:\Program Files\MATLAB\R2020a\toolbox\matlab\specgraph\xline.m, is on the MATLAB path.
3 个评论
If you can't solve the problem a work around would be to just plot for example
xval = 3; % or wherever you want your vertical line to be
bigY = 1000; % something that is bigger than your typical range of y values
plot(x,y,[xval;xval],[-bigY,bigY]) % assume x and y defined previously
ylim([0,10]); % set limits appropriately to clip off excess y values on vertical line
Jonah Bricknell
2020-12-1
Jon
2020-12-1
Excellent - glad to hear
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Ameer Hamza
2020-12-1
1 个投票
xline() was introduced in R2018b. If you are using an older release, you will get this error.
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