Explain the operation of this function . .

raw(cellfun(@(x) ~isempty(x) && isnumeric(x) && isnan(x),raw)) = {''}

plz explain the operation of this. this line is used just after the use of xlsread and stored as raw.

what this line actually does ? why it is needed?

[Walter Roberson]

duplicates http://www.mathworks.co.uk/matlabcentral/answers/71251-plz-explain-the-operation