Recent content by niteshadw

Hello, I'm trying to learn how to design a single-phase half- and full-bridge resonant inverter. I have been reading few power electronics books to get the theory behind the inverters but I'm having trouble finding design equations. Most of the values for the inductors, capacitors are already...

Thank you very much, that was much of a help! =)

I have two simple questions but I'm not 100% on how to get the correct result. 1. "The noise is reduced by 6 dB" means its amplitude is cut to _%? How is it calculated to 50%? I try 20log(Av)... 2. Does this wave contain 30k hertz sine function? (see attachment) The answer is yes, but I...

I'm going over old exam questions for the final. I'm not sure what the departament will put on the exams so I'm trying to go over as much as possible, but I having problems figuring certain problems out: 1) y^(5) + 3y^(4) - 5y''' - 15'' + 4y' + 12y = 0 How do you find the five solutions...

How do you find the coordinate vector of A = 1 1 1 2 2 2 relatvie to the basis {A_1, A_2, A_3, A_4, A_5, A_6}? A_1 = 3 6 3 -6 0 0 A_2 = 0 -1 -1 0 1 1 A_3 = 0 -1 -2 -2 2 1 A_4 = 1 0 1 3 0 2 A_5 = 1 0 0 1 2 2 A_6 = 2 0 1 4 -1 3 Is it jus taking...

I'm trying to find the uncerainty for the following equation: e = Qd/AV, where Q is the charge in C, d is the distance in m, A is the area (Pi * r^2), and V is the voltage. I get something like delta_e = delta_Q/Q + delta_d/d + delta_A/A + delta_V/V but when I do that, I get a rather...

1) a) If A = 1 2 0 3 and B is an upper-triangular matrix such that tr(B) = 0 and AB = 1 -1 0 -3 then B = _____ AND b) If A = 1 5 -1 3 and A = B+C where B is symmetric and C is skew-symmetric, then B = ___ and C = ____. 2) a) If A, B and C are matrices such that...

I was explained that I should take the opposite points, in a form of |x1 x2| |y1 y2| and if the parallelogram is above the x axis, then the area is positive else its negative...so the determinants I have tried, |-2 6| |-2 4| and det = 4 but if I use the other two points I get a different...

How co you claculate the are a pallelogram determined by points (-2, -2), (0, 3), (4, -1) and (6, 4)...I've seen an example wher a 2x2 determinant matrix was used, but I don't remember how to do it...

Hmm..looks simple enough, just did not know what to do with those blank spots...Ok, I got this, \left( \begin{array}{cccc|c}1 & 0 & 0 & 0 & 3\\ 0 & 1 & 0 & 0 & -1 \\ 0 & 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 1 & -2 \end{array}\right)...

Use the Gauss-Jordan algorithm to find all solutions of the following system of linear equations in C: x1 + x2 + x3 [] = 2 2x1 [] + 2x3 + 2x4 = 2 x1 + 2x2 + 2x3 [] = 1 2x1 + 2x2 [] + x4 = 2 [] signify a blank space in the equation. How do you even proceed to do this, I have never seen...

Thank you very much for the explanation. I admit the A^3 wa a pretty bad question, I was concentrating on the power to 2003; but I did that and now thanks to your help I'll hope to do 2003. The professor did not manage to mention any of these explanations - we don't even have a book for linear...

(1) Let A = 2 0 4 1 B = 2 0 −4 3 −2 6 C = 5 0 0 0 −1 0 0 0 0 and let f(t) = t^2 - 5t + 2. Compute the following if possible. (a) A^3 (b) C^2003 (e) f(A) (g) We define the matrix exponential by the Taylor series: e^C = I + C + 1/2! * C^2 + 1/3! * C^3 + · · · + 1/n! *...

People see the pdf of the lab, the equation is on last page (pg 10) Thank you! http://nsr.f2o.org/exp2.pdf

can anyone verify that the equations on the following page, http://nsr.f2o.org/equations.htm are corretly solved. The equations are used to find the uncertainity in the calculation of acceleration in my physics lab. The uncertinty (delta a) would be the sum of all of the four equations, which...