MATLAB: Readmatrix “not enough input arguments”

errorreadmatrix()

I'm getting a really strange error when trying to use readmatrix() to load a .csv file. It tells me there's not enough input arguments!
d_obs        =   readmatrix(sprintf('%s/%s',NMR_path,NMR_obs_filename));
this is the command I'm using. The strange thing is that just last week, this worked perfectly, and I have not changed anything since then. If it is at all related, I also get a message "The import tool doesn't have access to read the file" when I try to open the file directly by double-clicking it in the current folder tab. I checked the files and they're not empty.
Anyone got some idea of what is going on here?

Best Answer

You have defined a function name replace() placed on path
C:\...\Thesis\emi-matlab-master\EMI_Calibration\replace.m
which is shadowing the MATLAB's built-in function named replace(). Rename your function to something else.
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