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Naismith 's rule [ 1][ 2] Naismith's rule helps with the planning of a walking or hiking expedition by calculating how long it will take to travel the intended route, including any extra time taken when walking uphill. This rule of thumb was devised by William W. Naismith, a Scottish mountaineer, in 1892. [ 1][ 3][ 4] A modern version can be ...
Active. Walk Score, a subsidiary of Redfin, provides walkability analysis and apartment search tools. Its flagship product is a large-scale, public access walkability index that assigns a numerical walkability score to any address in the United States, United Kingdom, Canada, and Australia. Walk Score is a type of automated efficiency model ...
In polymer physics, random walk describes an ideal chain. It is the simplest model to study polymers. [ 36] In other fields of mathematics, random walk is used to calculate solutions to Laplace's equation, to estimate the harmonic measure, and for various constructions in analysis and combinatorics.
The public transport accessibility level (PTAL) is a method sometimes used in United Kingdom transport planning to assess the access level of geographical areas to public transport. PTAL is a simple, easily calculated approach that hinges on the distance from any point to the nearest public transport stop, and service frequency at those stops.
10-Minute Walk. Washington Square Park, New York City. The 10-Minute Walk, [1] also known as the 10-Minute Walk to a Park, is a parks-advocacy movement led by The Trust for Public Land to ensure that everyone in the United States lives within a ten-minute walk to a high-quality park or green space. [2] [3] [4] [5]
Travelling Salesman, by director Timothy Lanzone, is the story of four mathematicians hired by the U.S. government to solve the most elusive problem in computer-science history: P vs. NP. [77] Solutions to the problem are used by mathematician Robert A. Bosch in a subgenre called TSP art.
A Walk of the People – A Pilgrimage for Life. Length: 7,000 miles (11,000 km) Date: March 1984 – November 1985. Miles walked per month: 368 miles (592 km) Details: A Walk of the People – A Pilgrimage for Life called for an end to the Cold War with better relations between the U.S. and the Soviet Union.
Laplacian matrix. In the mathematical field of graph theory, the Laplacian matrix, also called the graph Laplacian, admittance matrix, Kirchhoff matrix or discrete Laplacian, is a matrix representation of a graph. Named after Pierre-Simon Laplace, the graph Laplacian matrix can be viewed as a matrix form of the negative discrete Laplace ...