unstable node
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Node (physics) — A standing wave. The red dots are the wave nodes A node is a point along a standing wave where the wave has minimal amplitude. For instance, in a vibrating guitar string, the ends of the string are nodes. By changing the position of the end node… … Wikipedia
Saddle-node bifurcation — In the mathematical area of bifurcation theory a saddle node bifurcation or tangential bifurcation is a local bifurcation in which two fixed points (or equilibria) of a dynamical system collide and annihilate each other. The term saddle node… … Wikipedia
Особая точка (дифференциальные уравнения) — Для термина «особая точка» см. другие значения. В математике особой точкой векторного поля называется точка, в которой векторное поле равно нулю. Особая точка векторного поля является положением равновесия или точкой покоя динамической системы,… … Википедия
Equilibrium point — In mathematics, the point ilde mathbf{x}in mathbb{R}^n is an equilibrium point for the differential equation :frac{dmathbf{x{dt} = mathbf{f}(t,mathbf{x}) if mathbf{f}(t, ildemathbf{x})=0 for all t,!.Similarly, the point ilde mathbf{x}in… … Wikipedia
Phase plane — A phase plane is a visual display of certain characteristics of certain kinds of differential equations.Certain systems of differential equations can be written in the form::dx/dt = Cx where C may be any combination of constants in order to… … Wikipedia
cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a … Universalium
Tachycardia — ECG showing sinus tachycardia with a rate of about 100 beats per minute. ICD 10 I47 I … Wikipedia
Supraventricular tachycardia — Classification and external resources Lead II electrocardiogram strip showing SVT with a heart rate of about 150. ICD 10 I … Wikipedia
Cardiac dysrhythmia — Arrhythmia redirects here. It is not to be confused with Erythema. Cardiac dysrhythmia Classification and external resources Ventricular fibrillation (V Fib or VF) an example of cardiac arrhythmia. ICD … Wikipedia
Linux kernel — Linux Linux kernel 3.0.0 booting Company / developer Linus Torvalds and thousands … Wikipedia
celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… … Universalium
