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i need help for string code

1 次查看（过去 30 天）
phayu
phayu 2014-2-14
关闭： MATLAB Answer Bot 2021-8-20
this is my code...
clear all
a={'a1' 'a2'};
when i put
a1=1;,a2=2;
disp(a)
result
a = 'a1' 'a2'
but i want my result is
= '1' '2'
what is a problem in my code?
thx for your help

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回答（2 个）

Wayne King
Wayne King 2014-2-14
When you write
a1 = 1;
a2 = 2;
You are creating two new variables with values 1 and 2.
What about:
vals = {'1','2'};
newa = strrep(a,a,vals);
disp(newa)
Jos (10584)
Jos (10584) 2014-2-14
The following might give some insight
a1 = 1 ; a2 = 2 ; A = {a1 a2} ; % declaration
disp(A)
A{1} = 10 ; % change the contents (hidden by the semi-colon)
disp(A)
a1 = 3 % does not change the contents of A
disp(A)
  2 个评论
phayu
phayu 2014-2-15
sorry for unclear of my question,
i want it show
a='a1' 'a2'
and when i input
a1=1 a2=2
it show
a= '1' '2'
so much thx !
Jos (10584)
Jos (10584) 2014-2-15
You've lost me … Do you understand the concepts of variables, strings, doubles and cells? If not, take a look at the documentation.

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