Creating Timetables: Error Message in SampleRate
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Hello, I am trying to use a suggested function to generate a timetable with a sampling frequency of 200 Hz.
tt = timetable(rand(12,1),'SampleRate', 200)
I get an error: Invalid parameter name: SampleRate. This is MATLAB 2017b.
How do we get the desired sample rate?
Thanks.
采纳的回答
Here's a link to the 2017b documentation for timetable().
Here's how to achive your example for releases before and after 2018b.
% 2018b or more recent
data = rand(12,1);
sampleRate = 200; %hz
tt = timetable(data,'SampleRate', sampleRate);
% prior to 2018b
timeSamples = seconds(0 : 1/sampleRate : (size(data)-1)/sampleRate);
tt = timetable(timeSamples', data);
2 个评论
FW
2019-4-19
Peter Perkins
2019-5-3
Adam is right, but usually this
seconds((0:(size(data)-1))/sampleRate)
is better numerically.
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