why meijerG function is undefined variable in matlab

2018 10 12
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更新时间：2018 10 12
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meijerG function is already defined in matlab, but when i use in our script, it gives the error "Undefined function or variable 'meijerG'." Please help to find the way

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Stephen23
Stephen23 2018-10-12
编辑：Stephen23 2018-10-12

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Probably you don't have the Symbolic Toolbox installed, or you don't have a license for it, or the function is not supported for your MATLAB version.
Do you have the Symbolic Toolbox installed, and a current license for it? Check what is installed:
ver
and check your licenses:
https://www.mathworks.com/matlabcentral/answers/285496-how-do-i-view-what-toolboxes-i-have-for-my-license#answer_223183
https://www.mathworks.com/matlabcentral/answers/97495-how-can-i-test-the-license-for-a-toolbox-in-matlab
What MATLAB version are you using?

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BIPIN SAW
BIPIN SAW 2018-10-12
MATLAB Version:(R2015a) Symbolic Math Toolbox Version 6.2 (R2015a) is installed
Torsten
Torsten 2018-10-12
meijerG was introduced in R2017b ...
Stephen23
Stephen23 2018-10-12
编辑：Stephen23 2018-10-12
Well, you can either upgrade to 2017b or more recent, or write it yourself.
Torsten
Torsten 2018-10-12
Or use an implementation from the net.
BIPIN SAW
BIPIN SAW 2018-10-12
Thanks, Stephen Torsten for your quick help.

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