In this article, we give the definitions of forward difference, backward difference, central difference and difference quotient, and some of their important properties.
@article{bwmeta1.element.doi-10_2478_v10037-006-0014-z,
author = {Bo Li and Yan Zhang and Xiquan Liang},
title = {Difference and Difference Quotient},
journal = {Formalized Mathematics},
volume = {14},
year = {2006},
pages = {115-119},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10037-006-0014-z}
}
Bo Li; Yan Zhang; Xiquan Liang. Difference and Difference Quotient. Formalized Mathematics, Tome 14 (2006) pp. 115-119. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10037-006-0014-z/
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