why i get Array indices must be positive integers or logical values.

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Ali Al raeesi
Ali Al raeesi 2021-3-26
编辑： Ali Al raeesi 2021-3-26
can you help me in this code i did everthing and how can i solve it .
i get Array indices must be positive integers or logical values.
plz help
Array indices must be positive integers or logical values.
Error in Untitled (line 98)
z(length(R),length(R)-1) = -R(length(R)-1) ; %This is the last mesh = element [n*n-1]
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the cyclist
the cyclist 2021-3-26
编辑：the cyclist 2021-3-26
Again, @Ali Al raeesi, I ask that you provide specific inputs that create the error, so that we do not have to guess. For example, what would the user type when asked for the input for R?

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the cyclist
the cyclist 2021-3-26
编辑：the cyclist 2021-3-26
In this line
z(length(R),length(R)-1) = -R(length(R)-1)
if the user enters a resistance vector that is length 1, then you try to access R(0), which will give that error.

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