Clarification about wnoise command in MATLAB

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serwan Bamerni 2015-6-12

I need to understand the difference between this code

snr = 10; 
init = 2055615866; 
[yref,y] = wnoise(1,10,snr,init);

and this code

snr = 10;
init = 2055615866; 
xx = wnoise(1,10);
xx_n = awgn(xx,snr,'measured',init);

I guess it should be the same but these two codes give two different result.

which code is more accurate or better to use?

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