Hi, Strange about delayed email. Thank you for info on snd-test.scm re: legendre-polynomial. I see now, first argument is a vector, so all is working now in numerics.scm Regards, Jim -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://cm-mail.stanford.edu/pipermail/cmdist/attachments/20161205/bde42451/attachment.html>