CELLSTD is the jCell module of jLab.

 CELLSTD  Standard deviation of each element a cell array, possibly weighted.
    S=CELLSTD(X) where X is a cell array of N arrays, is equivalent to
       S(1,1)=STD(X{1}(:)),  S(2,1)=STD(X{2}(:)), ...,  S(N,1)=STD(X{N}(:))
    thus returning an N x 1 array containing the standard deviation of all
    values in each element in the cell array.
    In taking the standard deviation, non-finite values are ignored, as in
    VSTD. The output S is a column vector of the same length as X.  
    [S1,S2,...,SP]=CELLSTD(X1,X2,...,XP) also works for P different input
    CELLSTD(X1,X2,...XP);  with no output arguments overwrites the 
    original input variables.
    Weighted standard deviation
    CELLSTD(X,'weight',W) or CELLSTD(X1,X2,...,XP,'weight',W) where W is 
    a cell array of the same size as the other input variables, computes
    the weighted standard deviation, using the weighting factor ABS(W).^2.  
    CELLSTD(...,'parallel') parallelizes the computation using a PARFOR 
    loop.  This requires that Matlab's Parallel Computing Toolbox be 
    installed, and is useful for very large datasets.
    Usage: s=cellstd(x);
    This is part of JLAB --- type 'help jlab' for more information
    (C) 2015--2019 J.M. Lilly --- type 'help jlab_license' for details

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