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Hi there, I was wondering if anyone could help me.

Yesterday I wrote the command [z,r]=ode45(@rad03,[0,10],0); and it worked but today I am writing exactly the same thing but keep getting the message:

???Error using ==>feval

Undefined function or method 'rad03' for input arguments of type 'double'.

Error in ==>funfun/private/odearguments at 110

and some more error messages. Why would it work yesterday and not today? Does anyone know what I am doing wrong?

Any help would be much appreciated!

Thanks

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# Matlab- input arguments of type 'double' ?

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