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Convert2dIndexArrayToLogReturns

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Function Description

Returns an array of logged returns given as input an array of index values, for several different series simultaneously, i.e. if input array is  for ,  (actually passed as a unidimensional array of size  whose ’th element is ) then returns an output array  for ,  (actually passed as a unidimensional array of size  whose ’th element is ) calculated as:

 

 


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