Question
How or where can I find the details of the function "signal.internal.getToneFromPSD" that was called in "snr.m" of the signal processing toolbox?
Expert Answer
John Williams
PhD Expert
Answered Aug 13, 2026
It is in the internal package, as indicated by the name signal.internal.*. This means that the function is only intended for internal usage. Therefore this function is not documented and can be changed in the future. As to the details, it's a MATLAB file so you can look at it in the editor.
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