How can i display variable name on message box?

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yt man
yt man 2017-2-17
评论： Star Strider 2017-2-18
The case is:
in workspace, there are some variable name and corresponding value
for example
name=value
A=1
B=2
C=3
D=4
How to display the minimum value included variable name in message box: A=1

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Star Strider
Star Strider 2017-2-17
Try this:
A=1;
B=2;
C=3;
D=4;
varcell = {'A','B','C','D'};
varvctr = [A B C D];
[minvar,idx] = min(varvctr);
msg = sprintf('%s = %d',varcell{idx},varvctr(idx));
msgbox(msg, 'Minimum: ')
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Star Strider
Star Strider 2017-2-18
Thank you Walter!
Fast asleep here (UTC-7) during that exchange.

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