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Multiply cv::Mat and std::vector<cv::point2f>

Hi,

So I have a matrix cv::Mat M (NxN) and a vector of Points std::vector< cv::Point2f > Vec (Nx2).

How can I perform a multiplication between these two elements: M x Vec = P, and have a final vector std::vector< cv::Point2f > P (Nx2)??

Thank you!