input a 1*3 vector
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how can I make the user inputs an array of 1*3 dimensions for example x=input('your guess') x= [# # #]
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回答 (3 件)
Walter Roberson
2015 年 11 月 11 日
while true
xs = input('enter your guess (a list of three numbers)', 's');
xs = regexprep(xs, '^\[(.*)\]', '$1');
s = regexp(xs, '(\s|,)+', 'split');
if length(s) ~= 3
warning('Wrong number of entries, need 3');
continue;
end
x = str2double(s);
if any(isnan(x))
warning('Something was not a number!');
continue;
end
break;
end
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