Code Previously Worked, Now keep getting "Unexpected Matlab Expression"..

2015 2 25
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更新时间：2015 2 25
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function [t,x,u] = vehicleModel(0,10)
[t,u] = ode45(@vehicleAccel, [10], 0, options);
x = cumtrapz(t,u);
return
The Code above is a function file which links to two other functions, and all together are run off another script. Earlier in the day, the file worked, and I was able to plot a graph off it. Now, it doesnt work, and the only thing I changed, was a value assigned to a variable in a separate function. How can I resolve this? Matlab is saying the 0 in the first line is what is causing the problem.

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回答（2 个）

Adam
Adam 2015-2-25

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Have you defined a variable called vehicleModel?
If so Matlab will attempt to index into that variable with your arguments rather than call the function

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Tom Byrne
Tom Byrne 2015-2-25
vehicleModel is the name of the function. Its then called into the last script I use to plot two variables that are found from the 3 functions. At least that was my understanding of how it worked? The problem is, is that it worked literally 3 hours ago.

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Sean de Wolski
Sean de Wolski 2015-2-25

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function vehicleModel(0,10)
A variable name must start with a letter, and a function must take in variables.
function vehicleModel(q,k)
Will work since q and k are valid variable names.
The values of q and k could be anything

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