a=123456  % st7.m
b=123.456
c=[1 2 ; 3 4]
stf= fprintf('This is a ten\n')
sts=sprintf('This is a ten\n')
string='2.7172 3.14159'
[g1 g2]= sscanf(string,'%f');
g1
g2
z3=num2str(b,'%07.1f');
z4=mat2str(c);
