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Partial Differential Equation:
2u/x2 5(2u/y2) ey(u/ x) cos( x 2y)
is given on the rectangle <0,3>x<-3,3>, on it's boundary u=0.
a) Present a finite difference discretisation on the equidistant square mesh.
b) How many mesh cells (as minimum) are necessary so that the matrix is diagonally dominant,
c) Present the iterative algorithm (Gauss-Seidel) allowing to solve this system.
How to take a decimal number and get it in binary numbers such as 98= 0110 010
Improve the controller designed in part by introducing a mechanism for the disturbance compensation at the plant input. Illustrate advantage of the improved controller by applying the fast varying piecewise constant reference input vector and sinu..
Find a possible series RL circuit equivalent to N.
(a) Assume that the mobility of a carrier at T = 300K is u = 925 cm^2/V-s. Calculate the carrier diffusion coefficient. (b) Assume that the diffusion coefficient of a carrier at T = 300 K is D = 28.3 cm^2/s. Calculate the carrier mobility.
At time t = 0 an electron at the origin is subjected to a force that briefly accelerates it in the +z direction, with an acceleration of 6 × 1017 m/s^2. Before trying to answer the following questions, draw a clear diagram. Location D is 28, 0, 0 ..
Write a script that numerically calculates the slopes for the function y = ex. Use x-values that range from 0 to 10 in increments of 0.1. Using these slopes, calculate the equation of a line that is tangent to the function at x = 8.3.
The ABCD constants of a three-phase, 345-kV transmission line are A = D = 0:98182 + j0:0012447. The line delivers 400 MVA at 0.8 lagging power factor at 345 kV. Determine the sending end quantities, voltage regulation, and transmission efficiency.
Write a Matlab program to confirm that the ni versus T curve for Ge
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
Using a 500 Ohm resistance, design an RC low-pass filter that would attenuate a 120-Hz sinusoidal voltage by 20 dB with respect to the DC gain.
An intercom system has a 13 kHz annoying whistle with amplitude of 20% of a typical voice signal. Assume that a typical voice signal has a frequency of 3 kHz and the intercom's output for a typical voice level has amplitude of 10V.
A pn junction diode and a Schottky diode have equal cross-sectional areas and have forward-bias currents of 0.5 mA. The reverse-saturation current of the Schottky diode isIS= 5× 10-7A. The difference in forward-bias voltages between the two diodes..
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