| Author |
Comment/Response |
Victor B.
|
 07/18/12 09:07am
I am trying to expand some expansion in series before extracting a given coefficient. However, I face the following problem :
In[1440]:= Clear[x, c, y]
In[1441]:= Coefficient[(c + O[y]^2)*x, x]
Out[1441]= c
In[1442]:= Coefficient[(c*x) + O[x]^2, x]
Out[1442]= c
In[1443]:= Coefficient[(c + O[y]^2)*x + O[x]^2, x]
Out[1443]= 0
Does someone have a clue where this comes from ?
Thanks a lot in advance !
Best regards,
Victor
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