Matlab create text cloud

I used to use python Made a text cloud （Python stylecloud Make cool cloud pictures of words ）, This time matlab Have a try

First, prepare the content to a txt In the document , This article takes matlab As an example , Use fileread Function from txt Read text from .

>> contents= fileread('matlab.txt');
>> contents

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Use string Function to convert text to a string . then , Use splitlines Break the function by the line break character .

contents= string(contents);
contents= splitlines(contents);
contents(10:14)

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Replace some punctuation characters with spaces .

p = ["." "?" "!" "," ";" ":"];
contents= replace(contents,p," ");
contents(10:14)

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take contents Split into an array of strings whose elements contain a single word . To do this , You need to combine all the string elements into one 1×1 character string , Then split it at the blank characters .

contents = join(contents);
contents= split(contents);

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Delete words less than five characters .

contents(strlength(contents)<5) = [];

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take contents Convert to classified array , And then use wordcloud Draw . This function draws C The only element of , The size corresponds to the frequency count of these elements .

C = categorical(contents);
figure
wordcloud(C);
title("Matlab Word Cloud")

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