Recent content by gruba

I am looking for references and free online books of solved problems in these topics: applications of differential equations in geometry, percentage calculus, physics and geometric analysis. By applications in geometry I mean something like this...

Homework Statement Derive the expression for coefficients of Fourier series in exponential form for the sequence of rectangular pulses (with amplitude A, period T and duration θ) shown in this image: Derive the expression for signal power depending on the coefficients of Fourier series...

Homework Statement Draw a block diagram of 32kx8 bit RAM memory using decoders DEC 3/8 and memory components 8kx8 bit. 2. The attempt at a solution First we find the number of memory components: N=\frac{32kx8}{8kx8}=\frac{2^{18}}{2^{16}}=4. The number of decoders is 32/8+1=5 There are 4...

Maybe I have misunderstood the problem. I think that for each given list (second column), the order of machines along the production line such that the manufacturing process of a car is done without interruptions, if such order exists, is a hash function. Sequence that I gave in the original...

Homework Statement In a factory, machines are making cars (1-n) along the production line. One machine is making one part on the existing construction (part 1 is made by machine 1,...). Installation order of some parts is not important, but some parts have to be installed before others...

An article https://en.wikipedia.org/wiki/Problem_of_points says that in a game where one player needs r points to win (the one closer to winning) and the other needs s points to win, the correct division of the stakes is in the ratio of: \sum_{k=0}^{s-1}{r+s-1 \choose k} ...

Could you give a reference to the similar solved problem type if you know, or could you give detailed explanation of the problem?

Two players, A and B, are playing a sequence of matches of some game. In each match, one player wins (there is no draw game in any match). For winning the match, the player gets 1 point, and for losing, 0 points. The match ends when one of the players first gets 6 points, and that player wins...

How can I access the STL documentation in Code: :Blocks IDE?

Some problems include detailed explanations, but most of them don't.

Homework Statement Where I can find detailed solutions of problems for Analog Electronics course from this site: http://leachlegacy.ece.gatech.edu/ece3050/ ? Particularly, problems in the section Homework Problems, and also in other sections where problems are not explained in detail. I...

What is that equation?

Homework Statement On which orbit of hydrogen atom an electron has the speed of 734 km/s? Homework Equations Bohr's second postulate: mvr=nh,m=9.109\cdot 10^{-31}kg,v=734 km/s,h=6.626\cdot 10^{-34} m^{2}kg/s The Attempt at a Solution By using the second Bohr's postulate, we get 6686.006\cdot...

@NascentOxygen , Here is the solution from by book: The complex apparent power of \underline{I_{g2}} after the switch is closed is \underline{{S_{I_{g2}}}^{(c)}}=(240+j20)mVA. I don't know if this solution is correct.