Undefined function 'combntns' for input arguments of type 'double'.

2021 3 3
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更新时间：2021 7 20
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Hi all,
i looking any matlab function that can calculate 'combination' such as (3 C 2) =3.
There is a matlab function for (5 C 3)=10, but returns errors as following. Please help me to suggest
combos = combntns(1:5,3)
error:
Undefined function 'combntns' for input arguments of type 'double'.

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Walter Roberson
Walter Roberson 2021-3-3

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https://www.mathworks.com/help/map/ref/combntns.html
the function is part of the Mapping Toolbox. Use nchoosek instead.

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