A write the system of linear equations in the form of ax b
a) Write the system of linear equations in the form of Ax = b: (b) Use Guass-Jordan method to find A inverse (c) Use A inverse to solve the system of equations. -2x1 + x2 +x3 = -12 4x1 + 2x2 + 4x3 = 7 -x1 + x2 + 2x3 = -3
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A digital system is described by the following difference equation: y[n] = x[n] - 0.3 x[n-1] + 0.28 x[n-2] Find the transfer function H(z), the denominator polynomial A(z), and the numerator polynomial B(z).
Choose two advertising campaigns: one that you think is effective and one that you think is ineffective. What makes one campaign better than the other?
What should the new organizational structure look like? Where should the systems manager put each manager?
A DTMF signal with duration T seconds can be modeled as a sum of two cosine signals with frequencies frand fc, multiplied by a rectangle function. For example, the DTMF signal for "1" is g1(t) = rect (t/T) * [cos(2pi*687t)+cos(2pi*1209t)]
1. Point charges Q1 and Q2 are respectively, located at(4,0,-3) AND (2,0,1). If Q2=4nC, find Q1 such that a. E at (5,0,6) has no no z component b. The force on a test charge at (5,0,6) has no x component
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(a) What is the condition for matrix A to have inverse Discuss this in terms of rank, determinant, linear dependence of rows and columns of matrix A, singular or non-singular. (b) Show that if A has inverse then AT also has inverse
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