Plotting using a for loop in Matlab and finding the highest three consecutive value, given imported spreadsheet table of 1x100 called 'P'?

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for n = 1:100
PP = P(n,1);
x = n;
plot(x, P);
hold on
end
The code above doesn't work. Please help fix it and make sure to display three consecutive values that have the largest sum.

Answers (2)

Voss
Voss on 23 Dec 2021
Edited: Voss on 23 Dec 2021
P = randn(1,8);
display(P);
P = 1×8
0.9215 -0.2768 0.7009 1.2080 0.0836 -0.7582 1.4873 -0.3553
Npts = 3;
[~,idx] = max(movsum(P,Npts,'EndPoints','discard'));
display(P(idx+(0:Npts-1)));
0.7009 1.2080 0.0836

Dongyue
Dongyue on 22 Nov 2022
Hi, the followed code could be easier to understand:
P = rand(100,1);
mx = -Inf;
for i = 1:98
mx = max(mx, sum(P(i:i+2)));
end
mx

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