app designer says cosd "undefined function"

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Isaac O'Neal
Isaac O'Neal 2019-2-1
回答： Geoff Hayes 2019-2-1
cosd not working in app designer. it works fine in matlab just not in the app designer. app designer says "undefined funtion"
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Geoff Hayes
Geoff Hayes 2019-2-1
Isaac - please show us how you are using/calling cosd. It sounds like you are passing in a control rather than a (numeric) angle.

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Geoff Hayes
Geoff Hayes 2019-2-1
Isaac - you are obtaing the angle as
angle = app.Angle;
where presumably Angle is the handle to the matlab.ui.control.NumericEditField and so is not the angle itself. You may need to do someting more like
angle = app.Angle.Value;
to get the value of the angle. (I'm assuming that since this is a NumericEditField, you don't have to convert the above from a string to a number.)
Note that if the above works, you will need to do the same for the initial population and initial velocity.

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