Hi, On this page.. https://code.jsoftware.com/wiki/Vocabulary/Libraries
math/calculus points to math/cal Regards, Rob. > On 27 Aug 2019, at 00:04, Henry Rich <[email protected]> wrote: > > J has supported symbolic differentiation and integration for some time. > Starting with Release 9.01, primitive support for calculus is withdrawn. > > The calculus primitives were a proof-of-concept that was an incomplete > success. They worked, but they were not complete, and the nature of > mathematics is such that they will never be complete. It has long been clear > that they should have been implemented in a J script, which would be much > easier to expand & maintain. > > The primitives for Taylor series - t. t: T. - are terminated with extreme > prejudice. > > The primitives for differentiation and integration - d. D. D: - are also > removed, but they are going to a Better Place. A new addon, math/calculus, > is now available. It provides most of the features of the calculus > primitives. Interested users are encouraged to fix & expand this addon to > give support for more methods of integration and differentiation. > > Henry Rich > > --- > This email has been checked for viruses by AVG. > https://www.avg.com > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
