mathURL

http://mathurl.com/chwyqye
<img src="http://mathurl.com/chwyqye.png" />

$b_{k}={1 \over m} \sum_{j=0}^{N-1}y_{j}sin(kx_{j}), for k=0,1,...,m-1$

help & about · blog · mathurl at mathurl dot com · by justin kao