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2. Time–distance diagram - Wikipedia

   en.wikipedia.org/wiki/Time–distance_diagram

   A time–distance diagram is a chart with two axes: one for time, the other for location. The units on either axis depend on the type of project: time can be expressed in minutes (for overnight construction of railroad modification projects such as the installation of switches) or years (for large construction projects); the location can be (kilo)meters, or other distinct units (such as ...

3. Spacetime diagram - Wikipedia

   en.wikipedia.org/wiki/Spacetime_diagram

   Unlike a regular distance-time graph, the distance is displayed on the horizontal axis and time on the vertical axis. Additionally, the time and space units of measurement are chosen in such a way that an object moving at the speed of light is depicted as following a 45° angle to the diagram's axes.

4. Distance (graph theory) - Wikipedia

   en.wikipedia.org/wiki/Distance_(graph_theory)

   The latter may occur even if the distance in the other direction between the same two vertices is defined. In the mathematical field of graph theory, the distance between two vertices in a graph is the number of edges in a shortest path (also called a graph geodesic) connecting them. This is also known as the geodesic distance or shortest-path ...

5. Levenshtein distance - Wikipedia

   en.wikipedia.org/wiki/Levenshtein_distance

   A more efficient method would never repeat the same distance calculation. For example, the Levenshtein distance of all possible suffixes might be stored in an array , where [] [] is the distance between the last characters of string s and the last characters of string t. The table is easy to construct one row at a time starting with row 0.

6. Distance-regular graph - Wikipedia

   en.wikipedia.org/wiki/Distance-regular_graph

   This graph is distance regular with intersection array {7,4,1;1,2,7} and automorphism group PGL(2,7). Some first examples of distance-regular graphs include: The complete graphs. The cycle graphs. The odd graphs. The Moore graphs. The collinearity graph of a regular near polygon. The Wells graph and the Sylvester graph.

7. Chebyshev distance - Wikipedia

   en.wikipedia.org/wiki/Chebyshev_distance

   On a chessboard, where one is using a discrete Chebyshev distance, rather than a continuous one, the circle of radius r is a square of side lengths 2r, measuring from the centers of squares, and thus each side contains 2r+1 squares; for example, the circle of radius 1 on a chess board is a 3×3 square.

8. File:Distance-time graph example.svg - Wikipedia

   en.wikipedia.org/wiki/File:Distance-time_graph...

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9. Linear motion - Wikipedia

   en.wikipedia.org/wiki/Linear_motion

   These relationships can be demonstrated graphically. The gradient of a line on a displacement time graph represents the velocity. The gradient of the velocity time graph gives the acceleration while the area under the velocity time graph gives the displacement. The area under a graph of acceleration versus time is equal to the change in velocity.