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For this loop I want the output to print str='b' anytime A='1'

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Ernest Adamtey
Ernest Adamtey on 6 Aug 2021
Answered: Rik on 6 Aug 2021
For this loop I want the output to print str='b' anytime A='1'
clc
clear
for q=20:21
str=[];
A=dec2base(q,19)
if A=='1'
str=[str sprintf('b')]
end
str
end
but when A=11 the output is 'b' instead of 'bb'. Please help

Answers (1)

Rik
Rik on 6 Aug 2021
This behaviour is exactly as documented. if A=='1' does not create a loop.
clc
clear
str=[];
for q=20:21
A=dec2base(q,19);
str_=repmat('b',1,sum(A=='1'));
fprintf('%s results in %s\n',A,str_)
str=[str str_];
end
11 results in bb 12 results in b
str
str = 'bbb'

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