Recent content by benygh2002

Thanks for your reply. 1) You mentioned that "an essential singularity does not have a residue". I'm a bit confused about this. For example: f\left(z\right)=e^{z+\frac{1}{z}} has an essential singularity at z=0. However. after writing Laurent expansion of f(z) the residue at z=0 can be...

Homework Statement Hello friends, I'm a student of mechanical engineering and I have a problem with computing residues of a complex function. I've read some useful comments. Now I ve got some ideas about essential singularity and series expansion in computing the residue. However, I still...

Hello friends, I'm a student of mechanical engineering and I have a problem with computing residues of a complex function. I ve read your useful comments. Now I ve got some ideas about essential singularity and series expansion in computing the residue. However, I still can't find the solution...