matlab particleswarm not found

2018 10 12
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更新时间：2018 10 13
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Hi.
Is there any update on Matlab recently? I have codes that use particleswarm function and worked perfectly. However today Matlab keeps returning error "Undefined function or variable 'particleswarm'" eventhough I did not make any change. When I tried 'help particleswarm', I got "particleswarm not found" message.
I need a confirmation that the problem is with Matlab, not my codes.

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madhan ravi
madhan ravi 2018-10-12
编辑：madhan ravi 2018-10-12

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Ashraf Ramzan
Ashraf Ramzan 2018-10-12
I am using Matlab R2017b
madhan ravi
madhan ravi 2018-10-12
the second link maybe?
Ashraf Ramzan
Ashraf Ramzan 2018-10-12
I am using Student Version license. So for now, I assume that the problem is due to license expiry.
Thank you for your help.
madhan ravi
madhan ravi 2018-10-12
if it was useful make sure to accept the answer
Walter Roberson
Walter Roberson 2018-10-12
which -all particleswarm
will give you information about whether the file can be found and whether a licence can be found
Ashraf Ramzan
Ashraf Ramzan 2018-10-13
Thank you madhan ravi and Walter Roberson. Really appreciate your help :)

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