LoadAllData.m

function [AllDataMem] = LoadAllData(FileName)
            %% output    function'name  input
%% Section 2: Load all the model data together
Contents = ncinfo(FileName); % Store the file content information in a variable.
for idx = 1: 8
    AllData(idx,:,:,:) = ncread(FileName, Contents.Variables(idx).Name);
    fprintf('Loading %s\n', Contents.Variables(idx).Name); %display loading info
end
AllDataMem = whos('AllData').bytes/1000000; % or, more precisely, 1048576
fprintf('Memory used for all data: %.3f MB\n', AllDataMem)