- #1
EngWiPy
- 1,368
- 61
Hi,
I am reading a paper, and at some point the authors claim that:
[tex]\sum_{m=1}^{L+1}\frac{\prod_{\substack{l=1\\l\neq m}}^{L+1}\frac{\lambda(m)}{\lambda(m)-\lambda(l)}}{\lambda^r(m)}=0[/tex]
the question is HOW?
Any tiny hint will be highly appreciated.
Thanks
I am reading a paper, and at some point the authors claim that:
[tex]\sum_{m=1}^{L+1}\frac{\prod_{\substack{l=1\\l\neq m}}^{L+1}\frac{\lambda(m)}{\lambda(m)-\lambda(l)}}{\lambda^r(m)}=0[/tex]
the question is HOW?
Any tiny hint will be highly appreciated.
Thanks