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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 7 pot

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 7 pot

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 7 pot

... Press LLC (7. 94) and (7. 95)Adding Eqs. (7. 94) and (7. 95), we obtain the more symmetric formula: (7. 96)Replacing l by l – 1 in Eq. (7. 94) and eliminating from Eq. (7. 95), we find that: (7. 97) Differentiating ... Eq. (7. 97) and using Eq. (7. 95), we obtain: (7. 98a)which can be written in the equivalent form: (7. 98b)which is the ODE for the Legendre polynomial, as previouslypointed out in Section 4 .7. 1.5. ... CRC Press LLC (7. 1 07) Repeated applications of this formula and the use of Eq. (7. 86)yields: (7. 108)Direct calculations show that this is also valid for l = 0 and l = 1.Therefore, the orthonormal...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 2 pot

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 2 pot

... Top panel: b= 1, bottom panel: b = 0.9998. -2 0 -1 5 -1 0 -5 0 5 10 15 -1 5 -1 0 -5 051015a=0 .7 b=1 -2 0 -1 5 -1 0 -5 0 5 10 15 20 -1 5 -1 0 -5 051015a=0 .7 b=0.9998xk axk byk xkyk bxk ayk xk() ... LLC for n=1:1500 for m=1:40x(1,m) =-0 .99+2*rx(m);y(1,m) =-0 .99+2*ry(m);x(n+1,m)=a*x(n,m)-b*(y(n,m )-( x(n,m))^2);y(n+1,m)=b*x(n,m)+a*(y(n,m )-( x(n,m))^2);endendplot(x,y,'r.')axis( [-1 ... LLCx1(1)=0.5696;y1(1)=0.1622;x2(1)=0.5650;y2(1)=0.1650; for n=1:120x1(n+1)=a*x1(n)-b*(y1(n )-( x1(n))^2);y1(n+1)=b*x1(n)+a*(y1(n )-( x1(n))^2);x2(n+1)=a*x2(n)-b*(y2(n )-( x2(n))^2);y2(n+1)=b*x2(n)+a*(y2(n )-( x2(n))^2);endplot(x1,y1,'ro',x2,y2,'bx')2.8.2.1...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 3 docx

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 3 docx

... that, for arbi-trary a, the product of the roots is and their sum is In-Class ExercisesPb. 3.11 Develop a function M-file that inputs the two real roots of a second-degree equation and returns ... Mouse-controlling command to read off coordinates of apoint in a graph.global Allows variables to share their values in multiple programs.zoom Zooms in and out on a 2-D plot. 0-8 49 3-? ?? ?-? /00/$0.00+$.50© ... different chapter sections.3.1 Function FilesTo analyze and graph functions using MATLAB, we have to be able to con-struct functions that can be called from within the MATLAB environment. In MATLAB, ...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 4 docx

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 4 docx

... equations for D(k) and D2(k), as given respec-tively by Eqs. (4.16) and (4.30), and with the initial conditions for the function and its derivative. The first elements for the y, D, and D2 arrays ... (2*a(k)*y(k-1)/dt+a(k)D(k-1)+u(k));D(k)=(2/dt)*(y(k)-y(k-1))-D(k-1);endplot(t,y,t,u,' ')In-Class ExercisePb. 4. 37 Plot the amplitude of y, and its dephasing from u, as a function ofa for large t.Example 4.9Find the first-order ... LLCdt=(tfin-tin)/(N-1);u=sin(t);a=(1/(2*pi))*ones(1,N);b=ones(1,N);y(1)=0;D(1)=(1/a(1))*(u(1)-b(1)*y(1)); for k=2:Ny(k)=((2*a(k)/dt+b(k))^ (-1 ))* (2*a(k)*y(k-1)/dt+a(k)D(k-1)+u(k));D(k)=(2/dt)*(y(k)-y(k-1))-D(k-1);endplot(t,y,t,u,'...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 5 potx

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 5 potx

... creating a file for the negative of this function (call it n-funname) and entering the following commands in the command window:xmax=fmin('n-funname',xi,xf)fmax =-1 *feval('n-funname',xmax)Homework ... discuss theuse of the MATLAB command roots for finding all roots of a polynomial.Following this, we consider the Golden Section method and the fmin and fmins MATLAB commands for optimizing (finding ... LLCnot be found analytically. MATLAB has a built-in command that finds all theroots (real and complex) for any polynomial equation. As previously noted,the MATLAB command for finding the polynomial...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 6 pdf

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 6 pdf

... following script M-file.N =72 0;z=exp(j*2*pi*[1:N]./N);plot(z)axis squareIn-Class ExercisesPb. 6.20 Using the exponential form of the n-roots of unity, and the expres-sion for the sum of a ... equation, and the solution of this algebraic equation then reduces to finding the rootsof the polynomial:(6. 47) We learned in Chapter 5 the MATLAB command for finding these roots,when needed. Now, using ... representing the com-plex numbers: z1 = 1, z2 = j, z3 = –1.Solution: Enter and execute the following commands in the commandwindow:z1=1;z2=j;z3 =-1 ;plot(z1,'*')axis( [-2 2 -2 2])axis('square')hold...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 8 pdf

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 8 pdf

... are the eigen-vectors and D is a diagonal matrix whose elements are the eigenvalues. Enter-ing the matrix M and the eigensystem commands gives:V = -0 . 970 1 -0 .8944 -0 .2425 -0 .4 472 D =1 00 ... LLCfunction ilamp=circuit 872 (RL)M=[1 0 0 0 0 0;1 -1 0 -5 0 0 0;0 1 -1 0 -1 00 0; 0 1 0 0 0 -3 00;0 0 1 0 -RL 0;0 0 0 1 -1 -1 ];Vs=[5;0;0;0;0;0];VI=M\Vs;ilamp=VI(5);Then, from the command window, we proceed ... zero:loQ=tril(Q)producesloQ =0. 970 8 0.4983 0.9601 0.2 679 0.9901 0.2140 0 .72 66 0.43990 .78 89 0.6435 0.4120 0.93340.43 87 0.3200 0 .74 46 0.68330. 970 8 0.4983 0.9601 0.2 679 0 0.2140 0 .72 66 0.43990 0 0.4120...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 9 ppt

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 9 ppt

... direc-tion as the positive x-axis and where the x-axis direction continuously coin-FIGURE 9.2Scrambled image of Pb. 9.16.© 2001 by CRC Press LLCtechniques commonly employed in the handling and ... manipulation of digi-tal images.Let us explore and observe the structure of a matrix subjected to the above elementary trasformations. For this purpose, execute and observe the out-puts from each ... transformations, in 2-D, arerespectively:(9.8)(9.9)In-Class ExercisesPb. 9.12 Find the transformation matrix for simultaneously compressingthe x-coordinate by a factor of 2, while expanding...
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Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 10 docx

Elementary mathematical and computational tools for electrical and computer engineers using Matlab - Chapter 10 docx

... that:(S.16) Using the above definitions for the sine and cosine functions and elementary geometry, it is easy to note the following properties for the trigonometricfunctions:(S. 17) (S.18)px ... systems. The random arrival time of certain inputs to asystem cannot be predetermined; for example, the log-on and thelog-off times of terminals and workstations connected to a com-puter network, ... space. For exam-ple, the cos–1 function (called arc cosine) is single-valued if 0 ≤ x ≤π.Note that the above notation for the inverse of a function should not be con-fused with the negative-one...
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Product Design for the Environment: A Life Cycle Approach - Chapter 7 potx

Product Design for the Environment: A Life Cycle Approach - Chapter 7 potx

... 29, 1999.) 272 2_C0 07_ r02.indd 177 272 2_C0 07_ r02.indd 177 11/30/2005 1:46:31 PM11/30/2005 1:46:31 PM© 2006 by Taylor & Francis Group, LLC 178 Product Design for the Environment 7. 3.2.2 Objective ... simultaneity of analysis and synthesis of design features, and the multidisciplinary nature of the design and development team. 272 2_C0 07_ r02.indd 175 272 2_C0 07_ r02.indd 175 11/30/2005 1:46:31 ... machining the components, FIGURE 7. 1 Product development process: Sequential model. 272 2_C0 07_ r02.indd 1 572 722_C0 07_ r02.indd 1 57 11/30/2005 1:46: 27 PM11/30/2005 1:46: 27 PM© 2006 by Taylor & Francis...
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