CELL2COL is the jCell module of jLab.

 CELL2COL  Converts cell arrays of numeric arrays into 'column-appended' form.
    COL=CELL2COL(X) concatenates X, a cell array of N arrays all having the
    same number of columns, into a single long array COL with N blocks of 
    data, each ending with a NAN.
    If the data is complex, each column will end with NAN+SQRT(-1)*NAN;
    To mark missing data, any pre-exiting NANs in X will be replaced with 
    INFs, and any complex NANs will be replaced with complex INFs.
    CELL2COL is inverted by COL2CELL, provided X contains no NaNs.
    [C1,C2,...,CN]=CELL2COL(X1,X2,...,XN), with multiple input arguments,
    also works.  
    CELL2COL(X1,X2,...,XN); with no output arguments overwrites the 
    original input variables.
    CELL2COL(...,'nonans') suppresses the insertion of NANs as well as the
    swapping of existing NANs for INFS, and simply concatenates the cells
    into long arrays.
    'cell2col --t' runs a test.
    Usage: col=cell2col(x);
    This is part of JLAB --- type 'help jlab' for more information
    (C) 2008--2020 J.M. Lilly --- type 'help jlab_license' for details

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