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Question: Plot sequence with null values

Question:Plot sequence with null values

mantas84 30
plot sequence
May 12 2015
0

I am trying to plot sequence like:

arrayZ[1]:=NULL;
arrayZ[2]:=5;
arrayZ[3]:=NULL;
arrayZ[4]:=NULL;
arrayZ[5]:=8;

...

arrayZ[3000]:=1111;
data:=[seq([n,arrayZ[n]], n=1..3000)]:
t1:=plot(data, style=point, symbol = solidcircle, color= red):
plots[display]({t1});

but get incorrect first argument error. How to fix this?

PS. In original sequence instead of null I have constant value, but I don't want it in my plot.
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