Small data won't plot correctly

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Taylor Azizeh 2023-11-12

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https://ww2.mathworks.cn/matlabcentral/answers/2046070-small-data-won-t-plot-correctly

评论： Peter Perkins 2023-11-16

I have acceleration data that I cannot get to plot in Matlab. Here is the basics of what the data looks like (Z does deviated from 1 - this is only 8 lines of ~70million).

And the graphs looks like this:

Bonus points if you can help me create a stacked plot of dive depth data and three axes' of acceleration (X, Y, Z).

Thank you in advance!

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Walter Roberson 2023-11-14

And the graphs looks like this:

No, the plot definitely does not look like what you pictured, not unless you are multiplying some of the entries by roughly 10^100

>> min(T(:,[4 5 6 8:end]))

ans =

1×14 table

X Y Z Depth Temp___C_ location_lat location_lon height_msl ground_speed satellites hdop signal_strength SensorRaw Metadata

______ ______ _____ _____ _________ ____________ ____________ __________ ____________ __________ ____ _______________ _________ ________

-0.063 -0.063 0.892 0 18.6 NaN NaN NaN NaN NaN NaN NaN 989 NaN

>> max(T(:,[4 5 6 8:end]))

ans =

1×14 table

X Y Z Depth Temp___C_ location_lat location_lon height_msl ground_speed satellites hdop signal_strength SensorRaw Metadata

_ _____ _____ _____ _________ ____________ ____________ __________ ____________ __________ ____ _______________ _________ ________

0 0.053 1.144 0 18.8 NaN NaN NaN NaN NaN NaN NaN 997 NaN

You need to be more clear about what you are plotting.

Bonus points if you can help me create a stacked plot of dive depth data and three axes' of acceleration (X, Y, Z).

The ten Depth entries that are not NaN, are all exactly 0. No stacked plot based on dive depth is possible.

Mathieu NOE 2023-11-15

@Taylor Azizeh

double check your data

I see mostly NaN's all over the place - what is that record ??

Peter Perkins 2023-11-16

在 MATLAB Online 中打开

Bonus points to Walter for sneaking in an example of recently-added support for "math on tables":

min(T(:,[4 5 6 8:end]))

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