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Tower defense. Tower defense (TD) is a subgenre of strategy games where the goal is to defend a player's territories or possessions by obstructing the enemy attackers or by stopping enemies from reaching the exits, usually achieved by placing defensive structures on or along their path of attack. [1]
Linearity. The Schrödinger equation is a linear differential equation, meaning that if two state vectors and are solutions, then so is any linear combination of the two state vectors where a and b are any complex numbers. [13]: 25 Moreover, the sum can be extended for any number of state vectors.
Single-player, multiplayer. Desktop Tower Defense is a Flash -based tower defense browser game created by Paul Preece in March 2007. The game had been played over 15.7 million times as of July 2007, [1] and was one of Webware 100's top ten entertainment web applications of 2007. [2] Desktop Tower Defense is available in an English, Spanish ...
Wave equation. The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e.g. water waves, sound waves and seismic waves) or electromagnetic waves (including light waves). It arises in fields like acoustics, electromagnetism, and fluid dynamics.
Simple wave. A simple wave is a flow in a region adjacent to a region of constant state. [1] In the language of Riemann invariant, the simple wave can also be defined as the zone where one of the Riemann invariant is constant in the region of interest, and consequently, a simple wave zone is covered by arcs of characteristics that are straight ...
e. Time-dependent density-functional theory (TDDFT) is a quantum mechanical theory used in physics and chemistry to investigate the properties and dynamics of many-body systems in the presence of time-dependent potentials, such as electric or magnetic fields. The effect of such fields on molecules and solids can be studied with TDDFT to extract ...
Bloons TD Battles was released on December 12, 2012, [55] and later to Android and iOS platforms in-between November 5 and 6, 2013, respectively. [56] On April 20, 2016, it came to Steam as a ported version. [57] The gameplay is similar to that in Bloons TD 5 but two players compete against one another in one of four game modes. In Assault Mode ...
Dispersion of gravity waves on a fluid surface. Phase and group velocity divided by shallow-water phase velocity √gh as a function of relative depth h / λ. Blue lines (A): phase velocity; Red lines (B): group velocity; Black dashed line (C): phase and group velocity √gh valid in shallow water.