iFit/cumprod

 s = cumprod(a,dim) : computes the cumulative product of iData objects elements

   @iData/cumprod function to compute the cumulative product of the elements of the data set
     cumprod(a,dim) operates along axis of rank dim.

 input:  a: object or array (iData)
         dim: dimension to accumulate (int)
 output: s: accumulated product of elements (iData)
 ex:     c=cumprod(a);

 Version: Nov. 26, 2018
 See also iData, iData/plus, iData/sum, iData/prod, iData/cumprod