Array indicates must be positive integers or logical values

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Hoang
Hoang 2022-12-29
回答： Kunal Kandhari 2023-1-17
h=input('Number of subinterval: ');
sum=0;
for i=1:1:h-1
y(i)=input('List of numbers: ');
sum=sum+y(i);
end
answer=h/2+(y(0)+y(h)+2*sum);
disp(double(answer));
When I list my numbers in the y(i), the maximum number that I can type is 7 and then it shows the error "Array indicates must be positive integers or logical values". Anyone know how to fix this please help me

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回答（1 个）

Kunal Kandhari
Kunal Kandhari 2023-1-17
Hi,
Matlab Array indices start from 1.
Since you are using taking h as input and runnng loop till h-1 so both of following doesn't contains any value
y(0) and y(h)
As indices starts from 1 so h(0) isn't a valid input and you have taken input till h-1 so y(h) dosen't has any value.
Hence, you get error: Array indices must be positive integers or logical values.

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