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How can I turn a matrix into character text in MATLAB?

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B
B 2017-11-21
回答： Guillaume 2017-11-21
The matrix has the numbers 1-26 as the corresponding letters A-Z and 27 is a space. Is there anyway I can use MATLAB to make this conversion?

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回答（2 个）

M
M 2017-11-21
Guillaume
Guillaume 2017-11-21
One way:
lettervalues = randi(27, 1, 50)
actualletters = char(lettervalues + 'A' - 1);
actualletters(lettervalues == 27) = ' '
Another way:
lettervalues = randi(27, 1, 50)
lookuptable = ['A':'Z', ' '];
actualletters = lookuptable(lettervalues);

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