presented in/on equation 17

Gabyyy

New Member
Spanish
Hi!
Hi! I'm editing a paper, and I'm not sure if the correct preposition is "in"or "on" in the following sentences. Can you help me?
This is presented in/on equation 17.
This defines F and G matrices as described in/on equations 18 and 19.
..... comprises a combination of models used in/on/for forcasting timeseries.
Thanks!
 
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