NonConstants

NonConstants

is an option for D which gives a list of objects to be taken to depend implicitly on the differentiation variables.

Details

  • If c does not appear in the list of NonConstants, then D[c,x] is taken to be 0 unless c and x are identical expressions.

Examples

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Basic Examples  (1)

Here c is treated as a constant under differentiation:

Specify that c depends implicitly on x:

Specify that both c and d depend implicitly on x:

Properties & Relations  (2)

NonConstants allows D to emulate Dt:

Constants allows Dt to emulate D:

Wolfram Research (1988), NonConstants, Wolfram Language function, https://reference.wolfram.com/language/ref/NonConstants.html.

Text

Wolfram Research (1988), NonConstants, Wolfram Language function, https://reference.wolfram.com/language/ref/NonConstants.html.

CMS

Wolfram Language. 1988. "NonConstants." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/NonConstants.html.

APA

Wolfram Language. (1988). NonConstants. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/NonConstants.html

BibTeX

@misc{reference.wolfram_2025_nonconstants, author="Wolfram Research", title="{NonConstants}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/NonConstants.html}", note=[Accessed: 22-July-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_nonconstants, organization={Wolfram Research}, title={NonConstants}, year={1988}, url={https://reference.wolfram.com/language/ref/NonConstants.html}, note=[Accessed: 22-July-2025 ]}