convert each character of an array to int
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Mireia Boneta Camí
on 24 Oct 2020
Commented: Ameer Hamza
on 24 Oct 2020
I have a char array like this '10000111101010110101' and I want to convert each 0 and 1 to int and obtain [1 0 0 0 0 1 1 ...]. I'd like to do it without fors, is it possible?
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Accepted Answer
Ameer Hamza
on 24 Oct 2020
Easy peasy
x = '10000111101010110101';
y = x - '0'
2 Comments
Ameer Hamza
on 24 Oct 2020
If you look at the ASCII code for the character, you can see what is happening.
For example,
x = '10000111101010110101';
y = x + 0
Result
>> y
y =
Columns 1 through 17
49 48 48 48 48 49 49 49 49 48 49 48 49 48 49 49 48
Columns 18 through 20
49 48 49
So, if you subtract the ascii code for '0', you will get actual numbers.
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