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Possible Duplicate:
convert string to number array in matlab
Is there a simple way in Matlab to convert a string like this
'123456789'
into a vector like this ?
[1 2 3 4 5 6 7 8 9]
If all you have is contiguous characters from 0 to 9:
double(s) converts a string into an array where each element is the ASCII code of the corresponding character. To obtain the numberic values we subtract ‘0’ (which is in fact 48 in ASCII) and since digits have a sequential representation in ASCII code (‘1’ = 49, ‘2’ = 50, etc.) we end up with intended result.