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how to fix invalid first data argument

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santhosh s
santhosh s on 17 Aug 2019
Closed: MATLAB Answer Bot on 20 Aug 2021
n=1;
for ii=1:0.5:9
t(n)=ii;
if ii>=0
y(n)=-3*ii.^2+5;
n=n+1;
elseif ii<0
y(n)=3*ii.^2+5;
n=n+1;
end
end
plot(t,y)

Answers (1)

Star Strider
Star Strider on 17 Aug 2019
Your code runs without error for me.
Note that in your code ‘ii’ is never going to be less than 0, so the entire if block is not necessary.

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