'Error - Array indices must be positive integers or logical values
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Harrison Dove
le 9 Août 2020
Réponse apportée : Walter Roberson
le 9 Août 2020
Hey could anyone help me to figure out why i would be getting this error?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/343507/image.jpeg)
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Walter Roberson
le 9 Août 2020
t1 = 0;
t2 = 0.04;
So t2-t1 is 0.04 - 0 = 0.04
x_2 = v_x1(t2-t1)+x_1
That code attempts to index v_x1 at location t2-t1 which is v_x1 at index 0.04 which is not valid.
Reminder: MATLAB has absolutely no implied multiplication. None . Not even in the Symbolic Engine. If you want to multiply v_x1 by something then you need .* or * as appropriate.
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