num2str() question

[John B. Thoo]

Hi.  Sorry if this is a FAQ, but I'm having trouble using  num2str().  
For instance, look at this.

octave:16> r = 1; num2str(r)
ans = 1
octave:17> r = 10; num2str(r)
ans = 10
octave:18> r = 100; num2str(r)
ans = 100
octave:19> r = 1000; num2str(r)
ans = 1000
octave:20> r = 10000; num2str(r)
ans = 1e+04

Why doesn't num2str() return 10000 instead of 1e+04 in the last 
instance?  And how do I make it return 10000?

Thanks.
---John.



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