Default
Default[f]
gives the default value for arguments of the function f obtained with a _. pattern object.
Default[f,i]
gives the default value to use when _. appears as the i argument of f.
Default[f,i,n]
gives the default value for the i argument out of a total of n arguments.
Default[f,…]=val
defines default values for arguments of f.
Examples
Text
Wolfram Research (1988), Default, Wolfram Language function, https://reference.wolfram.com/language/ref/Default.html.
BibTeX
BibLaTeX
CMS
Wolfram Language. 1988. "Default." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Default.html.
APA
Wolfram Language. (1988). Default. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Default.html