xdata.m

来自「Matlab Financial Toolbox」· M 代码 · 共 48 行

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function out = xdata(mode, varargin)
% XDATA - simplest xdata function
% use:
%  val = xdata('get-col', structured_data, names)
switch lower(mode)
    case 'get-col'
        data  = varargin{1};
        names = varargin{2};
        if ~iscell(names)
            names =  regexp(names, '([^;]+)', 'tokens');
            names = cellfun(@(x)(x{1}),names,'UniformOutput', false);
        end
        out = repmat(nan,size(data.value,1),length(names));
        for i=1:length(names)
            idx   = strmatch(names{i}, data.names, 'exact');
            out(:,i) = data.value(:,idx);
        end
        
    otherwise
        error('xdata:mode', 'unknown mode <%s>', mode);
end