matlab - 将纯文本作为数字导入 MATLAB 矩阵以进行语义神经网络分析

Question

似乎必须使用脚本将纯文本导入 MATLAB，将其转换为数字格式，并将其存储在矩阵中。在 MATLAB 中对文本数据进行任何类型的分析都需要此步骤，例如使用神经网络提取语义特征或对已知特征的文本进行分类。如果没有脚本，我没有找到任何方法来做到这一点。这是我写的：

%texttoconvertincellarray- is a cell array where each row has text data imported from a csv file

longestrow=texttoconvertincellarray(cellfun(@(x) numel(x),texttoconvertincellarray)==max(cellfun(@(x) numel(x),texttoconvertincellarray))); %find the longest string in cell array rows
maxrowsize=cellfun('length',longestrow); %get longest string size to set max matrix Y
A=zeros(maxrowsize,length(texttoconvertincellarray)); %create an empty matrix the size of data
                                                      %Y - rows of imported cell array
                                                      %X - size of the longest string in rows
                                                      %later will transpose the matrix
j=1; %matrix element sequential index
for i=1:length(texttoconvertincellarray)              %loop through each row of text data imported 
                                                      %into cell array
    conv = double(texttoconvertincellarray{i});       %convert characters of each row of the cell 
                                                      %array to integer code representations
    A(j:j+length(conv)-1) = conv;                     %update matrix element range starting at each 
                                                      %column's first element with the converted data
    j=j+size(A,1);                                    %increment matrix element sequential index to 
                                                      %the next column's first element
end
A=transpose(A); %transpose the matrix; this is necessary because matrix sequential element addressing works verically, then horizontally

%now each row in matrix A represents sentences in the imported cell array, with letters converted to 
%numerical representations

这是否可以进一步简化，如果不是为了其他什么，那就是为了优雅？

标签： matlabmatrixtexttext-classificationconverters