Error using plot: Value not a numeric scalar

I am using this running average function to smooth out dome noisey data.
function y = RunningAvg(x,w)
wts = ones(1, w) / w
new = conv(x, wts, 'same');
end
However, when I plot the filtered signal, I get this error massage
Error using plot
Value not a numeric scalar

댓글 수: 7

Please provide example inputs (x,w) to your function. There is no y that is returned.
Walter Roberson
Walter Roberson 2020년 1월 31일
편집: Walter Roberson 2020년 1월 31일
we need to see the plot call
Romio
Romio 2020년 1월 31일
x is a noisy dataset. The plot of x is the following
fig.jpg
It appears that w would be expected to be a positive integer. But we still need to see the call to plot()
Romio
Romio 2020년 1월 31일
Sorry I don't understand "call to plot()"
Do you mean this "plot(t,x_smoothed,'linewidth','2')"
That is all the code after the using the function to filter the data
Romio
Romio 2020년 1월 31일
and it is true that there are some noninterger data in the x_smooth. Is there anyway to override that?
Yes, it was that line
plot(t,x_smoothed,'linewidth','2')
that we were looking for.

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답변 (1개)

Walter Roberson
Walter Roberson 2020년 1월 31일

1 개 추천

plot(t,x_smoothed,'linewidth','2')
Line widths must be numeric.
plot(t,x_smoothed,'linewidth',2)

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