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How to change the number of digits over 15.

4 vues (au cours des 30 derniers jours)
Lazaros Moysis
Lazaros Moysis le 27 Nov 2012
Hello! Can anyone help me with the number of digits? I need to set it over 15, around 40 or so. I know the vpa command can help but i cannot unerstand it that well. Is there any way to set the number to 40 for all operations in the workplace. Thank you very much

Réponse acceptée

Matt Fig
Matt Fig le 27 Nov 2012
Modifié(e) : Matt Fig le 27 Nov 2012
digits = 40; % Only works if you have the symbolic toolbox
But this only applies to symbolic variables. You cannot get more than 16 or so digits out of double values by definition.
N = 10/3;
isa(N,'double') % Yes, N is a double.
Ns = vpa(N)
isa(Ns,'sym') % Yes, Ns is a sym.

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Lazaros Moysis
Lazaros Moysis le 27 Nov 2012
Ok i get it, thank you very much


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