Engineering Matlab Problem Solving phần 5 pdf

... examples above: meshc(X,Y,Z), 128 0 50 100 150 200 250 300 350 400 450 50 0 0 1 2 3 4 5 6 Random Numbers − data1 0 50 100 150 200 250 300 350 400 450 50 0 0 1 2 3 4 5 6 Random Numbers − data2 Index, ... conv(a,b) c= 4 -14 11 - 35 58 -9 26 -32 114 −1 −0 .5 0 0 .5 1 1 .5 2 2 .5 3 3 .5 4 0 0 .5 1 1 .5 2 2 .5 3 3 .5 4 4 .5 x y Figure 6.14: Plot of the function y =0.025x 5 −...

Ngày tải lên: 12/08/2014, 16:21

... most basic Matlab command is the mathematical expression, which has the following prop- erties: 15 Contents 1 Engineering Problem Solving 1 1.1 Problem- SolvingProcess 1 1.2 ProblemSolvingExample ... 250 13.1SymbolicExpressionsandAlgebra 250 13.2ManipulatingTrigonometricExpressions 257 13.3EvaluatingandPlottingSymbolicExpressions 258 13.4SolvingAlgebraicandTranscendentalEquatio...

Ngày tải lên: 12/08/2014, 16:21

... the Matlab search path 3ifrqroot is a MEX-file in the Matlab search path 4ifrqroot is a MDL-file in the Matlab search path 5ifrqroot is a built-in Matlab function 6ifrqroot is a P-file in the Matlab ... meters, D= 50 meters, and θ is 60 degrees, the Matlab solution is >> h=2; >> theta=60; >> D =50 ; >> B = h+D*tan(theta*pi/180) B= 88.60 25 53 3.3 Script M-Fi...

Ngày tải lên: 12/08/2014, 16:21

... complex numbers and plots by Matlab. Rectangular Form Plot The Matlab commands for a rectangular form plot: z1 = 1 .5 + 0.5j; z2 = 0 .5 + 1.5j; z3=z1+z2; z4=z1*z2; z5 = conj(z1); z6=j*z2; z7 = z2/z1; axis([-3 ... .1*pi .2*pi .3*pi .4*pi .5* pi .6*pi .7*pi .8*pi .9*pi pi] x= Columns 1 through 7 0 0.3142 0.6283 0.94 25 1. 256 6 1 .57 08 1.8 850 Columns 8 through 11 2.1991 2 .51 33 2.827...

Ngày tải lên: 12/08/2014, 16:21

... 0 0 .5 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 −2 0 2 4 6 8 10 12 Multiple Axis Plot x 0 0 .5 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 −10 0 10 20 30 40 50 60 Figure 5. 3: Plot with two polynomial ... who. Examples: >>A=[123; 456 ] A= 123 456 >> s = size(A) s= 23 >> [r,c] = size(A) r= 2 c= 90 −1 −0 .5 0 0 .5 1 −1 −0 .5 0 0 .5 1 exp(jwt) Real Imaginary −2 −1 .5 −1 −0 .5 0 0 ....

Ngày tải lên: 12/08/2014, 16:21

... such simulations: 23 452 13314 52 255 636 35 150 The displayed output of the script is: 0 25. 0000 10.0000 18.9811 20.0000 15. 3773 30.0000 13.2196 40.0000 11.9277 50 .0000 11. 154 2 60.0000 10.6910 70.0000 ... = 17 .50 63 Output Signal to Noise Ratio (SNR), dB SNRout = 21.8317 0 1 2 3 4 5 6 7 8 9 10 −1 .5 −1 −0 .5 0 0 .5 1 1 .5 Time (s) Signal amplitude Input signal 0 1 2 3 4 5 6...

Ngày tải lên: 12/08/2014, 16:21

... following matrices A =  25 1 03−1  B =    102 −14−2 52 1    where m × n =2×3andn × p =3×3. Computing elements of C: c 11 =  251     1 −1 5    =2·1 +5 (−1)+1· 5= 2 c 23 =  03−1     2 −2 1    =0·2+3·(−2) ... developed for this problem, consider the sequence: [0. 25 0.82 −0.11 −0.02 0. 15] Using a calculator, we compute the following: mean = µ = 1 5 (0. 25 +...

Ngày tải lên: 12/08/2014, 16:21

... 4.0000 3.0000 7.0000 9 .50 00 4.0000 11.0000 18 .50 00 5. 0000 17.0000 32 .50 00 6.0000 24.0000 53 .0000 7.0000 32.0000 81.0000 8.0000 41.0000 117 .50 00 9.0000 48.0000 162.0000 10.0000 51 .0000 211 .50 00 Simpson’s ... meshgrid(x,y); zz = func(xx,yy); mesh(xx,yy,zz),xlabel(’x’),ylabel(’y’) 0 0 .5 1 1 .5 2 2 .5 3 3 .5 −4 −2 0 2 4 0 0 .5 1 1 .5 2 Figure 11 .5: Mesh plot of func(x,y) T...

Ngày tải lên: 12/08/2014, 16:21

... dependent variable. −1 −0 .5 0 0 .5 1 1 .5 2 2 .5 3 − 15 −10 5 0 5 10 15 20 25 30 35 s s^3+4*s^2−7*s−10 A(s) Figure 13.1: Plot of a polynomial function using ezplot 13.4 Solving Algebraic and Transcendental ... HH:MM:SS’ 01-Mar-19 95 15: 45: 17 2 ’mm/dd/yy’ 03/01/ 95 3 ’mmm’ Mar 4 ’m’ M 5 ’mm’ 3 6 ’mm/dd’ 03/01 7 ’dd’ 1 8 ’ddd’ Wed 9 ’d’ W 10 ’yyyy’ 19 95 11 ’yy’ 95 12...

Ngày tải lên: 12/08/2014, 16:21

... 152 101 Activities for Teaching Creativity and Problem Solving 101 Activities for Teaching Creativity and Problem Solving. Copyright © 20 05 by John Wiley & Sons, ... hovercraft lamp that can be moved easily around a large table (from “air”) 06 VG 119-166b 10 /5/ 04 5: 03 PM Page 152 TLFeBOOK

Ngày tải lên: 14/08/2014, 16:20