Workspace variable statistics don't work

2017 10 2
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更新时间：2017 11 21
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3 个投票

Hi,
I have just upgraded to R2017b and I've noticed that the columns in the Workspace panel don't display anything (except Value, Range, Size, Bytes, Class). Is there a setting that I should change so that I can see the statistics for my variables?
Thanks, Panos

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Rik
Rik 2017-10-2
You mean like showing the min and max values? Have you looked in the setting? I don't think I have seen it since something like 2014/2015, but then I didn't really use that feature.
Panos
Panos 2017-10-2
Yes exactly. The functions themselves work fine when I call them but I can't see them on the workspace columns.
Rik
Rik 2017-10-2
I just tried it out, and it indeed doesn't show any value. Odd. Only size, bytes and class (and value and name) actually show any values.
Maybe someone with R2017a can confirm this is new?
Kian Azami
Kian Azami 2017-10-2
编辑：Kian Azami 2017-10-2
But it cannot be found from the Workspace actions on the top of workspace?
Rik
Rik 2017-10-2
As you can see in Panos' screenshot, the column is already enabled, it is just empty.
Kian Azami
Kian Azami 2017-10-2
Yes Rik, so it is something related to the new version. Maybe if you check the Workspace setting in the 'Preferences' at the Home tab, you find something about this issue.
Panos
Panos 2017-10-2
@Kian I've already done that but there is no relevant field for my problem. Do you have the same problem? It's not clear from the image you posted.
Rik
Rik 2017-10-3
In the preferences you can modify the maximum size of variables analyzed and whether or not NaNs should be considered in calculation. Changing either or both does not result in the statistics being calculated for a=1:10;, so clearly there is something wrong here.
Panos
Panos 2017-10-4
How can we notify Matlab staff about this issue?

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Chandani Madnani
Chandani Madnani 2017-10-4

0 个投票

Hello,
This bug has been fixed in this patch: https://www.mathworks.com/support/bugreports/1627216

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Adam
Adam 2017-11-17
I'm not seeing a download link for a patch at that link. Am I just being blind?
Steven Lord
Steven Lord 2017-11-17
I believe what Chandani meant is that the bug has been captured in this Bug Report entry.
According to the Bug Reports FAQ you can add this bug to your watch list by clicking on the check mark next to it. Once you've added the bug to your watch list "You can then set your e-mail preferences for the Watch Bugs list to get e-mail notifications when updates are available."
I have not tried this myself but I believe the bug report gets updated, and users watching it are notified, when a release comes out in which the bug is fixed. [It may also be updated when the developers responsible for that issue have additional information, workarounds, patches, etc.]
Adam
Adam 2017-11-21
编辑：Adam 2017-11-21
Hmm, I can't click the check mark, or rather it does nothing when I do. Seems to be the case for all bugs too. Maybe it's a bug :)
Adam
Adam 2017-11-21
Ah, ok, when I 'zoomed out' to the wider bugs list that included it the check mark does work.

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