DavidL070949's latest activity

Talk about serendipity... Sometime last night, I woke up and had the insight that I was making my life a lot harder than it needed to...

All of this is very helpful indeed! I'm going to try to work through the details on my own, so that I make sure I really understand and...

Apologies for the delay, but I'm still getting used to LaTex. Anyway, in answer to how I got to the expression(s) that left me stuck...

And, got it no more attachments. To the very helpful person who asked me to post my work, I'm working on learning enough about LaTex...

Thanks. Next task is definitely to figure out how to use LaTeX.

Hi! Apologies in advance for a somewhat long post. First, by some background: Long ago in what seems like a galaxy far away, I got a...

Hi. Just joined. Looks like a fun and helpful forum.