CELLLOG10 is the jCell module of jLab.

 CELLLOG10 Base ten logarithm of each element in a cell array.
 
    X=CELLLOG10(X) where X is a cell array of N arrays, is equivalent to
   
       M(1,1)=LOG10(X{1}(:)), ...,  M(N,1)=LOG10(X{N}(:))
 
    thus returning an N x 1 array containing the based 10 logarithm of all
    values in each element of the cell array.
 
    See also JCELL.
  
    Usage: xa=celllog10(x);
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    This is part of JLAB --- type 'help jlab' for more information
    (C) 2019 J.M. Lilly --- type 'help jlab_license' for details