Convert a string of numbers to a number.

Convert a string of numbers to a number without using str2num.

[KSSV]

Why not str2num?

Answer 1

[Abhishek Jain]

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.

Answer 2

[Jos (10584)]

Look mammy, no hands!

S = '6387'
N1 = sscanf(S,'%d')
N2 = (S - '0') * (10.^(numel(S)-1:-1:0)).'
% N3 = ...