Variable "H" might be set by a nonscalar operator

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Marshall Botta 2022-2-13

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编辑： Jan 2022-2-14

Hello,

My goal for my code is to simulate a tire model and H equation gets a error code saying "Variable H might be set by a nonscalar operator". I think it has to deal with my variable s being defined as a vector but I dont know how to change it into a scalar. Help please :).

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Jan 2022-2-13

Please post code as text, not as screenshot. Then it is easier to suggest modifications using copy&paste.

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回答（1 个）

Jan 2022-2-13

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If H is an array, what is the meaning of:

if H < 0.5

? The IF command requires a scalar condition. Therefore Matlab inserts an all() automatically. To be exact:

if all(H(:) < 0.5) && ~isempty(H)

It is not meaningful "to change H to a scalar" also.

You are running a loop over the elements of s. Maybe you do not want to access the vector s, but the elements s(i).

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Marshall Botta 2022-2-14

Unforunately this didn't work for me, my (alp,Fy) graph changed competely and (s,Fx) isnt what im looking for. Thank you for the help i think ima just give up on this for right now.