Threads Tagged with complex Thread / Thread Starter Last Post Replies Views Forum 1. The problem statement, all variables and given/known data Hello guys, I need to prove that the sum of complex... Nov10-13 05:43 PM Seydlitz 5 256 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Calculate Z1=5+j10 Z2=10+j8 Z3=10+J5 RL=40 V=100 ... Nov10-13 08:44 AM gneill 4 303 Engineering, Comp Sci, & Technology Homework Hello all, I have the following problem from Complex Analysis that I would like for someone to check my understanding... Nov7-13 08:13 PM flooey.D 9 302 Calculus & Beyond Homework Hello, I understand the concepts of real differentiable manifold, tangent space, atlas, charts and all that stuff.... Nov7-13 06:17 PM WWGD 11 675 Differential Geometry I've read that the reason why X is the unknown is because of a rule in spanish. That is funny to me because we see... Nov7-13 01:39 AM Mark44 3 432 General Math 1. The problem statement, all variables and given/known data ... Nov6-13 10:25 AM Nikitin 2 323 Calculus & Beyond Homework By definition,Ia=(S/3V)* I want to know if there is power factor, say cosϕ=0.8 Should Ia=(S/(3V*0.8)) or just Ia... Nov5-13 04:47 PM psparky 4 392 Electrical Engineering FIGURE 3(a) represents a 50 Hz, three-phase, high-voltage, transmission line. For one phase, the relationships... Nov5-13 04:07 PM topcat123 0 344 Engineering, Comp Sci, & Technology Homework Which is the best book on complex numbers? I'm new to this topic so I would like to begin my study with the basics. I... Nov5-13 07:07 AM Spinnor 1 618 Mathematics Learning Materials 1. The problem statement, all variables and given/known data Given system: dx/dt=-x-5y dy/dt=x+y 2. Relevant... Nov4-13 12:04 PM ehild 4 331 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data a) (1+i)-n as n→∞ b) n/(1+i)n as n→∞ 2. Relevant... Nov2-13 08:27 AM mfb 7 258 Calculus & Beyond Homework A) I understand that complex numbers come in the form z= a+ib where a and b are real numbers. In the special case... Nov1-13 09:53 PM WWGD 7 565 General Math 1. The problem statement, all variables and given/known data Sketch the region of the complex plane specified by: ... Nov1-13 02:50 PM SteveDC 10 391 Precalculus Mathematics Homework 1. The problem statement, all variables and given/known data... Oct31-13 11:15 AM Nikitin 6 343 Calculus & Beyond Homework hello friends, when i build the mathmatical model of robot,i face a new question that i ever seen before. i have a... Oct30-13 04:22 AM jonasjia 4 538 Topology and Analysis In a few of my books on Complex variables they show how you can look at a complex function as essentially a mapping... Oct29-13 04:15 PM jackmell 1 331 General Math 1. The problem statement, all variables and given/known data It's asking me to find all the real and complex zeros of... Oct29-13 12:53 PM Mark44 1 391 Precalculus Mathematics Homework Hi! I'm new here, been a fan of this site for years, but only now I felt the need of registering. 1. The problem... Oct29-13 05:54 AM FreySmint 5 377 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data If \phi \in \mathcal{M} (group of all linear... Oct27-13 01:37 AM BrainHurts 1 176 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Find all pairs of values a and b that satisfy (a + bi)2... Oct27-13 12:33 AM Mentallic 14 478 Calculus & Beyond Homework I was thinking that if you could use quaternions to rotate an object using quaternion algebra that there might be a... Oct25-13 03:56 PM UltrafastPED 1 419 Linear & Abstract Algebra Fractals are just many iterations of a very basic formula, so they can be described with little information, and yet... Oct24-13 09:43 PM meBigGuy 7 284 Classical Physics 1. The problem statement, all variables and given/known data Show that if C is a positively oriented simple closed... Oct24-13 06:30 AM jackmell 5 388 Calculus & Beyond Homework Why do we represent waves as complex numbers? Why wont real suffice? Thanks for any help. Oct23-13 01:05 AM meBigGuy 10 433 Classical Physics This is the statement, in case you're not familiar with it. Let ## f_j(w,x), \; j=1, \ldots, m ## be analytic... Oct22-13 10:24 PM xaos 2 631 Topology and Analysis I need help to solve this problem from Complex variables, Arthur A. Hauser, Ch. 5. pag. 122. Problem 5.42 show that ∫... Oct22-13 04:08 PM tiny-tim 1 253 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data We need to calculate this complex integral as line... Oct22-13 03:19 AM evol_w10lv 2 316 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data $$\int_\gamma \frac{\cosh z}{2 \ln 2-z} dz$$ with... Oct20-13 02:51 AM Crake 3 279 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Show that: Ʃ(-1)n/(n^2+a^2) (from n=0 to ∞) = pi/,... Oct18-13 09:17 PM brmath 3 333 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data find the limit z_n = ^n as n -> ∞. 2. Relevant... Oct17-13 02:16 PM DotKite 6 383 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Laurent series 2. Relevant equations ##f(z) =... Oct15-13 01:04 AM d3nat 4 344 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data State the complex frequency or frequencies associated... Oct13-13 11:02 PM DODGEVIPER13 0 291 Engineering, Comp Sci, & Technology Homework Hi I really love the way http://probability.net/ teaches measure theory, and also how Allan Clark teaches Abstract... Oct12-13 09:57 PM Avatrin 0 707 Science & Math Textbooks Hello I'm studying complex numbers for class and the question is stated as: Let z=1+2i Find: a) 1/z^2 b) 1/z^3 ... Oct12-13 05:08 PM HallsofIvy 6 250 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Show that (1+i) is a root of the equation z4=-4 and find... Oct12-13 04:45 PM HallsofIvy 2 339 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data This isn't for homework but the question fits the... Oct11-13 06:09 PM brmath 3 329 Calculus & Beyond Homework Hi Everyone, I am trying to draw the function P = cos(A*kx*x +A*ky*y + A*kz*z) + 1i*sin((A*kx*x +A*ky*y +... Oct11-13 11:22 AM mtirmize 0 562 Math & Science Software 1. The problem statement, all variables and given/known data I have these equations: ga =... Oct10-13 10:33 PM s_hy 0 260 Engineering, Comp Sci, & Technology Homework Hi Everyone, I am a new Matlab User, I am want to plot the equation y=cos(A*x) + i*sin(A*x) where A =... Oct10-13 03:04 PM kreil 6 658 Math & Science Software Hello! So I have questions on this equivalence: Imlog = arg where x: complex number How is... Oct10-13 02:57 PM M. next 8 528 Topology and Analysis