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New on CTAN: dif­f­co­eff

Date: June 28, 2016 10:29:25 PM CEST
An­drew Parsloe sub­mit­ted the dif­f­co­eff pack­age. Ver­sion: 1.0 2016-06-27 Li­cense: gpl2 Sum­mary de­scrip­tion: Write dif­fer­en­tial co­ef­fi­cients eas­ily An­nounce­ment text:
dif­f­co­eff.sty en­ables the easy writ­ing of or­di­nary and par­tial dif­fer­en­tial co­ef­fi­cients of ar­bi­trary or­der. For mixed par­tials, the over­all or­der (al­ge­braic or nu­meric) is cal­cu­lated by the pack­age. Op­tional ar­gu­ments spec­ify points of eval­u­a­tion / vari­ables held con­stant, and the place­ment of the dif­fer­en­tiand (nu­mer­a­tor / ap­pended). Key = value set­tings tweak the dis­play. Fur­ther com­mands con­struct anal­o­gous co­ef­fi­cients from D, \Delta, and \delta, and write Ja­co­bians. Also in­cluded is dif­f­co­effx.sty which is dif­f­co­eff.sty on steroids. The pack­age's use ex­pl3 and xparse from the LaTeX3 bun­dles, l3k­er­nel and l3­pack­age's.
The pack­age's Cat­a­logue en­try can be viewed at http://www.ctan.org/pkg/dif­f­co­eff The pack­age's files them­selves can be in­spected at http://mir­ror.ctan.org/macros/la­tex/con­trib/dif­f­co­eff/
Thanks for the up­load. For the CTAN Team Pe­tra RĂ¼be-Pugliese
We are sup­ported by the TeX users groups. Please join a users group; see http://www.tug.org/user­groups.html .

dif­f­co­eff – Write dif­fer­en­tial co­ef­fi­cients eas­ily

dif­f­co­eff.sty al­lows the easy and con­sis­tent writ­ing of or­di­nary, par­tial and other deriva­tives of ar­bi­trary (al­ge­braic or nu­meric) or­der. For mixed par­tial deriva­tives, the to­tal or­der of dif­fer­en­ti­a­tion is cal­cu­lated by the pack­age. Op­tional ar­gu­ments al­low spec­i­fi­ca­tion of points of eval­u­a­tion (or­di­nary deriva­tives), or vari­ables held con­stant (par­tial deriva­tives), and the place­ment of the dif­fer­en­tiand (nu­mer­a­tor or ap­pended).

Ver­sion 2 is built on xtem­plate, al­low­ing the sys­tem­atic fine-tun­ing of the dis­play and gen­er­a­tion and use of vari­ant forms (like deriva­tives built from D, \Delta or \delta).

The pack­age re­quires the 3 bun­dles l3k­er­nel and l3­pack­ages.

Pack­agedif­f­co­eff
Ver­sion2.1 2018-12-05
Copy­right2016–2018 An­drew Parsloe
Main­tainerAn­drew Parsloe

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