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Error in my matlab program regarding value of an index. Help.

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Virajan Verma
Virajan Verma 2018-10-15
关闭： MATLAB Answer Bot 2021-8-20
for i=1:9
N_matrix(1,i)=N(rem(i,3))*ex(i/3);(ERROR HERE)
end
Attempted to access ex(0.333333); index must be a positive integer or logical.
Error in practisee3 (line 9) N_matrix(1,i)=N(rem(i,3))*ex(i/3);
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Dennis
Dennis 2018-10-15
编辑：Dennis 2018-10-15
This actually shows that ex is not a function, but a matrix. Matrix indices need to be positive integer (1,2,3,4,5). ex(1/3) does not exist.
Kevin Chng
Kevin Chng 2018-10-15
编辑：Kevin Chng 2018-10-15
why do you want to do i/3 for ex if it is a matrix? because 1/3 won't be 1 for your first iteration.

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