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  1. Function Notation: Understanding h(t) & t(h) - Physics Forums

    Apr 6, 2009 · The discussion centers on the notation of functions and their inverses, specifically focusing on the functions h (t) and t (h). Participants clarify that while h serves as the name of the function in h …

  2. Python Dot Notation: Access Functions, Classes, Objects & Variables

    Feb 10, 2021 · Is that correct? I feel like it should be called the "access" operator since it allows us to access things. What are the exact inner working and the more general definition the dot notation/dot …

  3. Does f(x,y) = dy/dx or f'(x) in Mathematical Function Notation?

    Feb 1, 2017 · The discussion clarifies the notation and interpretation of mathematical functions and derivatives, specifically regarding the expressions f (x,y) = dy/dx and f (x,y) = f' (x). It establishes that …

  4. Notation question about min and max functions • Physics Forums

    Dec 28, 2011 · I have a general question about the notation of min and max functions. I'm wondering if there is an accepted notation, used by mathematicians, for the min and max functions, other than the …

  5. Using a semicolon in a functin argument. eg. f = f(x, y; t)

    Mar 26, 2013 · The discussion centers on the use of semicolons in function arguments, specifically in the notation f = f (x, y; t). Participants clarify that the semicolon serves no mathematical necessity, as …

  6. What Exactly is Dirac's Delta Function? - Physics Forums

    Aug 29, 2025 · Dirac’s delta function is considered (notation for) a distribution. Specifically it is (and its derivatives are) expressed in terms of the Radon-Nikodym derivative (s) of the measure defined by …

  7. What Does the Dot Mean in a Function Like f(x,·,·)?

    Jan 23, 2011 · The notation f (x,·,·) represents a function of three variables where the dependence on the first variable, x, is emphasized. This notation allows for the substitution of arbitrary values for the …

  8. How do I correctly notate the domain and range of a function using …

    Sep 18, 2007 · Should have asked what? If you know that "domain" and "range" of a function are sets, then of course they can be written in "set notation"!

  9. What does 2f (x) mean, in words? - Physics Forums

    Aug 8, 2015 · Also, what about f (2x)? I am confused about how to enter 2 multiplied by the function in a ti-84 calc. I am wondering if its because I am mixing up function notation. I am learning about …

  10. What is the significance of the semicolon in function notation?

    Jun 27, 2016 · What does the semicolon mean in the notation for a function like G (r1, r2; z) ?