stationary conditions
61Mathematical optimization — For other uses, see Optimization (disambiguation). The maximum of a paraboloid (red dot) In mathematics, computational science, or management science, mathematical optimization (alternatively, optimization or mathematical programming) refers to… …
62Hamilton's principle — In physics, Hamilton s principle is William Rowan Hamilton s formulation of the principle of stationary action (see that article for historical formulations). It states that the dynamics of a physical system is determined by a variational problem …
63nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
64work, history of the organization of — Introduction history of the methods by which society structures the activities and labour necessary to its survival. work is essential in providing the basic physical needs of food, clothing, and shelter. But work involves more than the use …
65Size-exclusion chromatography — Equipment for running size exclusion chromatography. The buffer is pumped through the column (right) by a computer controlled device Acronym SEC Classification Chromatography Analytes …
66Monolithic HPLC column — A monolithic HPLC column is a special type of column used in HPLC with porous channels rather than beads. High performance liquid chromatography (HPLC) is the third most widely used laboratory instrument, surpassed only by analytical balances and …
67Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
68Time travel — This article details time travel itself. For other uses, see Time Traveler. Time travel is the concept of moving between different moments in time in a manner analogous to moving between different points in space, either sending objects (or in… …
69Simulation — Simulator redirects here. For other uses, see Simulator (disambiguation). For other uses, see Simulation (disambiguation). Not to be confused with Stimulation. Wooden mechanical horse simulator during WWI. Simulation is the imitation of some real …
70Euler–Lagrange equation — In calculus of variations, the Euler–Lagrange equation, or Lagrange s equation is a differential equation whose solutions are the functions for which a given functional is stationary. It was developed by Swiss mathematician Leonhard Euler and… …
