Do we need comma before "and "in these sentences ?
They derive a trial solution of the TTI eikonal equation, and apply the Shanks transform to stabilize the truncated power series, and We also discuss an extension of our approximations to two-way traveltime moveout, and their applicability for multilayered TTI models.
Top answer
I would not use a comma in either. However, I might try to put another verb before "and" in the second case, such as "examine" or "investigate".
— GPY
I would not use a comma in either.
However, I might try to put another verb before "and" in the second case, such as "examine" or "investigate".
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