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The square

**wave**, also called a pulse train, or pulse**wave**, is a periodic waveform consisting of instantaneous transitions between two levels. The square**wave**is sometimes ...The envelope of the plane lx+my+nz=c, (1) where c is the speed of propagation of a

**wave**in the direction (l,m,n) (i.e., l, m, and n are the direction cosines) is known as the ...The

**wave**equation is the important partial differential equation del ^2psi=1/(v^2)(partial^2psi)/(partialt^2) (1) that describes propagation of**waves**with speed v. The form ...A stable isolated (i.e., solitary) traveling nonlinear

**wave**solution to a set of equations that obeys a superposition-like principle (i.e., solitons passing through one ...The method of d'Alembert provides a solution to the one-dimensional

**wave**equation (partial^2y)/(partialx^2)=1/(c^2)(partial^2y)/(partialt^2) (1) that models vibrations of a ...Solving the

**wave**equation on a disk gives a solution in terms of Bessel functions.The partial differential equation u_t+u_(xxx)-6uu_x=0 (1) (Lamb 1980; Zwillinger 1997, p. 175), often abbreviated "KdV." This is a nondimensionalized version of the equation ...

The Baer differential equation is given by while the Baer "

**wave**equation" is (Moon and Spencer 1961, pp. 156-157; Zwillinger 1997, p. 121).The sawtooth

**wave**, called the "castle rim function" by Trott (2004, p. 228), is the periodic function given by S(x)=Afrac(x/T+phi), (1) where frac(x) is the fractional part ...The equation of motion for a membrane shaped as a right isosceles triangle of length c on a side and with the sides oriented along the positive x and y axes is given by where ...

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