CTAN update: diffcoeff
Version 3 of the diffcoeff package adds a command for differentials (e.g. the dx in an integral) to ensure they are of the same form as used in derivatives (math-italic vs upright). Some simple fine-tuning spacing commands are also added.
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 Erik Braun
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diffcoeff – Write differential coefficients easily and consistently
This package 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).
The package is built on xtemplate and the configurability it enables, extending to differentials (including simple line elements) and jacobians.
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