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Convert a string of numbers to a number.

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Poras K
Poras K 2016-10-5
回答： Jos (10584) 2016-10-5
Convert a string of numbers to a number without using str2num.

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Abhishek Jain
Abhishek Jain 2016-10-5
You can use the following code.
a=[1 2 3];
b=length(a);
c=(b-1):-1:0
d=10.^c;
y=a.*d;
It converts an array containing digits to a number.
Hope that helps.

更多回答（1 个）

Jos (10584)
Jos (10584) 2016-10-5
Look mammy, no hands!
S = '6387'
N1 = sscanf(S,'%d')
N2 = (S - '0') * (10.^(numel(S)-1:-1:0)).'
% N3 = ...

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