Compute log-returns in a time series.
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Dear users, I have a doubt with this operation. i need to compute a log-returns of a time-series, accourding to the formula (continuously compounded return):
r(t)=log[S(t)]-log[S(t-1)]
In other terms, i have a vector of prices, and i want to have a vector of log-return.
How to compute in Matlab?
Thanks in advance
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