Positive systems constitute a class of systems that has the important property that its state variables are never negative, given a positive initial state...

Meadows: "Positive feedback loops are sources of growth, explosion, erosion, and collapse in systems. A system with an unchecked positive loop ultimately...

Positive pressure is a pressure within a system that is greater than the environment that surrounds that system. Consequently, if there is any leak from...

biological systems where positive and negative feedback systems can interact, the output of one affecting the input of another, and vice versa. Some systems with...

2003) was first detailed in Positive Development (2008), and detailed in Net-Positive Design (2020). A net positive system/structure would 'give back to...

C. Meredith, A single axiom of positive logic, Journal of Computing Systems, p. 169–170, 1954. L. H. Hackstaff, Systems of Formal Logic, Springer, 1966...

Positive affectivity (PA) is a human characteristic that describes how much people experience positive affects (sensations, emotions, sentiments); and...

principles of positive computing into AI, making sure that it serves humanity in a positive way. Conference on Human Factors in Computing Systems (CHI) SIGCHI...

Positive train control (PTC) is a family of automatic train protection systems deployed in the United States. Most of the United States' national rail...

special nature of root systems belies the number of areas in which they are applied. Further, the classification scheme for root systems, by Dynkin diagrams...

Rh blood group system has two sets of nomenclature: one developed by Ronald Fisher and R. R. Race, the other by Wiener. The two systems reflect different...

design feedback control systems Multi-loop feedback – Classical method used to design feedback control systems Positive systems Radial basis function –...

In bacteriology, Gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify...

complex system approach to peace and armed conflict, the social systems of armed conflict are viewed as complex dynamical systems. The study of positive and...

Water positive is the concept of water conservation by a company, community or individual that actively contributes to the sustainable management and restoration...

several separate systems for ventilation, referred to as the mode. Modes come in many different delivery concepts, but all conventional positive pressure ventilators...

like "systems-informed positive psychology" which incorporates principles and concepts from the systems sciences to optimize human social systems and the...

expressed in its functioning. Systems are the subjects of study of systems theory and other systems sciences. Systems have several common properties...

Positive recall is a term used in quality systems, most notably ISO9000. It is part of receiving inspection procedures. It defines the concept that if...

nonlinear time-varying dynamical systems and generalizations of positive systems, cooperative systems and contracting systems. Let A be an m × n matrix with...

mathematics, the sign of a real number is its property of being either positive, negative, or 0. Depending on local conventions, zero may be considered...

Positive airway pressure (PAP) is a mode of respiratory ventilation used in the treatment of sleep apnea. PAP ventilation is also commonly used for those...

following description of standard positional systems: In a standard positional numeral system, the base b is a positive integer, and b different numerals are...

with real entries is positive-definite if the real number x T M x {\displaystyle \mathbf {x} ^{\mathsf {T}}M\mathbf {x} } is positive for every nonzero real...

Kalman filter Extended Kalman filter Positive systems In-line references Khalil, H.K. (2002), Nonlinear Systems (3rd ed.), Upper Saddle River, NJ: Prentice...

Blondy and the Solar System Zheng nengliang (positive energy), an expression commonly used in Chinese political discourse Positive energy district, an...

[citation needed] Think Positive aims to empower its target groups to be highly active in the social and health care systems at national level. HIV/AIDS...

exploits to break into computer systems and access data which would otherwise be inaccessible to them. In a positive connotation, though, hacking can...

sprung up within the centimetre–gram–second (CGS) systems (specifically the inconsistency between the systems of electrostatic units and electromagnetic units)...

operator A {\displaystyle A} acting on an inner product space is called positive-semidefinite (or non-negative) if, for every x ∈ Dom ⁡ ( A ) {\displaystyle...