mahalanobis distance between vectors in matlab

Hello, I need to calculate the mahalanobis distance between 2 vectors in matlab. Can anybody help me?

I work with a big matrix (13x100000) and one vector with size 13x1. How I can calculate a mahalanobis distance between this one vector and every single vector of big matrix?

I know that in matlab exists function mahal, but Im not sure if I understand to this function correctly .

I would be very grateful for your advices to solve my problem. Thanks

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