How to get 2 discrete signals into 1 graph?

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Notname Notname 2019-6-30

评论： Star Strider 2019-6-30

Basically i need to graph this signal but I graph it part by part:

x[n]=

{-3n*(n^n-5), 3<=n<6

2, 0<=n<3

0, for every other n

>>n1=[0 1 2];
>> x1=[2 2 2];
>> stem(n1,x1)
>> hold
Current plot held
>> n2=[3 4 5];
>> x2=-3.*n2.*(n2.^n2-5);
>> stem(n2,x2)

But this does not work. Can i even do it part by part or is there more efficient way to draw this signal?

Notname Notname 2019-6-30

Oh okay, thank you very much.

Star Strider 2019-6-30

My pleasure.

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