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The calculator can display either built-in graphs that are already programmed or display a user defined graph. [8] The user also has the option to rewrite any of the previously programmed graphs. [8] Statistical graphs can also be generated: bar graphs, line graphs, normal distribution curves, regression lines. [6]
A curve in the complex plane is defined as a continuous function from a closed interval of the real line to the complex plane: : [,]. This definition of a curve coincides with the intuitive notion of a curve, but includes a parametrization by a continuous function from a closed interval.
In the mathematical discipline of graph theory, the line graph of an undirected graph G is another graph L(G) that represents the adjacencies between edges of G. L(G) is constructed in the following way: for each edge in G, make a vertex in L(G); for every two edges in G that have a vertex in common, make an edge between their corresponding vertices in L(G).
Texas Instruments TI-84 Plus, the most successful graphing calculator in terms of sales. A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables.
In it, geometrical shapes can be made, as well as expressions from the normal graphing calculator, with extra features. [8] In September 2023, Desmos released a beta for a 3D calculator, which added features on top of the 2D calculator, including cross products, partial derivatives and double-variable parametric equations.
In mathematics, the closed graph theorem may refer to one of several basic results characterizing continuous functions in terms of their graphs. Each gives conditions when functions with closed graphs are necessarily continuous. A blog post [1] by T. Tao lists several closed graph theorems throughout mathematics.
For a vector field F: U ⊆ R n → R n, the line integral along a piecewise smooth curve C ⊂ U, in the direction of r, is defined as = (()) ′ where · is the dot product, and r: [a, b] → C is a regular parametrization (i.e: | | ′ | | [,]) of the curve C such that r(a) and r(b) give the endpoints of C. A line integral of a scalar field ...
While even-hole-free graphs can be recognized in polynomial time, it is NP-complete to determine whether a graph contains an even hole that includes a specific vertex. [ 3 ] It is unknown whether graph coloring and the maximum independent set problem can be solved in polynomial time on even-hole-free graphs, or whether they are NP-complete.