Skip to main content
7 events
when toggle format what by license comment
May 28, 2020 at 16:19 comment added Iosif Pinelis @BK : I am glad this helped.
May 28, 2020 at 15:11 comment added B K Thank you very much! I was blocked by the complication that one has to take into account the conditions $j\leq n$ and $k\leq m$ in the sum... of course it makes life easier to get rid of them as you did.
May 28, 2020 at 15:06 vote accept B K
May 28, 2020 at 14:57 history edited Iosif Pinelis CC BY-SA 4.0
added 22 characters in body
May 28, 2020 at 14:50 history edited Iosif Pinelis CC BY-SA 4.0
deleted 68 characters in body
May 28, 2020 at 14:43 history edited Iosif Pinelis CC BY-SA 4.0
added 79 characters in body
May 28, 2020 at 14:37 history answered Iosif Pinelis CC BY-SA 4.0