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2. Graph of a function - Wikipedia

   en.wikipedia.org/wiki/Graph_of_a_function

   Given a function: from a set X (the domain) to a set Y (the codomain), the graph of the function is the set [4] = {(, ()):}, which is a subset of the Cartesian product.In the definition of a function in terms of set theory, it is common to identify a function with its graph, although, formally, a function is formed by the triple consisting of its domain, its codomain and its graph.

3. Common fixed point problem - Wikipedia

   en.wikipedia.org/wiki/Common_fixed_point_problem

   In mathematics, the common fixed point problem is the conjecture that for any two continuous functions which map the unit interval into itself and which commute under functional composition, there must be a point which is a fixed point of both functions. In other words, if the functions and are continuous and (()) = (()) for all in the unit ...

4. Function (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Function_(mathematics)

   Graph of a linear function Graph of a polynomial function, here a quadratic function. Graph of two trigonometric functions: sine and cosine. A real function is a real-valued function of a real variable, that is, a function whose codomain is the field of real numbers and whose domain is a set of real numbers that contains an interval.

5. Tupper's self-referential formula - Wikipedia

   en.wikipedia.org/wiki/Tupper's_self-referential...

   The formula was defined by Jeff Tupper and appears as an example in Tupper's 2001 SIGGRAPH paper on reliable two-dimensional computer graphing algorithms. [1] This paper discusses methods related to the GrafEq formula-graphing program developed by Tupper. [2] Although the formula is called "self-referential", Tupper did not name it as such. [3]

6. List of graphical methods - Wikipedia

   en.wikipedia.org/wiki/List_of_graphical_methods

   Graph of a function. Logarithmic graph paper; Heatmap; Line chart; Pie chart; Plotting; Radar chart; ... Tag cloud, also known as word cloud; Statistics ...

7. Even and odd functions - Wikipedia

   en.wikipedia.org/wiki/Even_and_odd_functions

   Even functions are those real functions whose graph is self-symmetric with respect to the y-axis, and odd functions are those whose graph is self-symmetric with respect to the origin. If the domain of a real function is self-symmetric with respect to the origin, then the function can be uniquely decomposed as the sum of an even function and an ...