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matrix entry into function

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Jiung Shin
Jiung Shin 2020-12-6
回答： Cris LaPierre 2020-12-6
In a matrix A, I have assinged x(t)=A(t,2)
But if I want to calculate x(t+1)-x(t), it returns an error. How can I fix? Matlab doesn't specify which error I have made.
+ is it possible that I write a function and when I execute it it returns a message with enter "t" so I don't have to rewrite the code for different t? I think I did something similar in python or some other language but I'm not sure with matlab.
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KSSV
KSSV 2020-12-6
编辑：KSSV 2020-12-6
Show us your code. Or how A is related to t.

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回答（1 个）

Cris LaPierre
Cris LaPierre 2020-12-6
Ran in:
Also, share the complete error message (all the red text),
My suspicion is that x(t+1) does not exist.
x=1:5;
t=5;
x(t+1)-x(t)
Index exceeds the number of array elements (5).

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