Let $X$ be an $n\times p$ matrix. We obtain a matrix $Z$ by removing the mean from each column of $X$.
Let $Z=UDV^T$. Principal components are $Z \cdot V$. What is the interpretation of $X \cdot V$?
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If this is homework or self-study please add the [tag:self-study] and tell us what you have tried and where you are stuck. – mdewey Aug 16 '16 at 07:57
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1See http://stats.stackexchange.com/a/73380/3277 – ttnphns Aug 16 '16 at 09:55