Engineering Matlab Problem Solving phần 10 ppsx

... oper- ation by dec2bin: >>a=6; >> b = 10; >> dec2bin(a,4) ans = 0 110 >> dec2bin(b,4) ans = 101 0 >> dec2bin(bitand(a,b),4) ans = 0 010 248 solve(E1, E2, ,EN) solve(E1, E2, ,EN, ... 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 Algebrai...

Ngày tải lên: 12/08/2014, 16:21

... an identity matrix with four rows and four columns I =      100 0 0100 0 010 0001      To generate an identity matrix in Matlab: eye(n) Returns an n × n identity matrix. eye(m,n) Returns ... elsewhere that is the same size as A. >> I = eye(3) I= 100 010 001 The variable name i should not be used for an identity matrix in Matlab, because i will not represent √ −1 in...

Ngày tải lên: 12/08/2014, 16:21

... AppliedProblemSolving:RobotMotion 202 10 Curve Fitting and Interpolation 207 10. 1MinimumMean-SquareErrorCurveFitting 207 10. 2 Applied Problem Solving: Hydraulic Engineering . 213 10. 3Interpolation 215 10. 4AppliedProblemSolving:HumanHearing ... most basic Matlab command is the mathematical expression, which has the following prop- erties: 15 Contents 1 Engineering Problem...

Ngày tải lên: 12/08/2014, 16:21

... integer value 53 in base 10 is represented by the binary or base 2 value 00 1101 01, denoted by 53 10 = 00 1101 01 2 In base 10, this means 53 10 =5 10 1 +3× 10 0 Similarly, 00 1101 01 2 =0× 2 7 +0× 2 6 +1× ... 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 6ifrq...

Ngày tải lên: 12/08/2014, 16:21

... variable ’j2’. The error message indicates that Matlab interprets j2 as a variable that has not been defined and thus does not have a value. In Matlab, the function real(z) returns the real part ... angz2 = angle(z2) angz2 = 0.6435 >> angz4 = angle(z4) angz4 = 1 .107 1 >> ang_test = angz1 + angz2 ang_test = 1 .107 1 Rotation: There is a special case of complex multiplication tha...

Ngày tải lên: 12/08/2014, 16:21

... (plot) y 10 −1 10 0 10 1 10 2 0 2000 4000 6000 8000 100 00 12000 14000 Polynomial − log/linear (semilogx) y 0 10 20 30 40 50 10 0 10 5 Polynomial − linear/log (semilogy) x y 10 −1 10 0 10 1 10 2 10 0 10 5 Polynomial − log/log (loglog) x y Figure 5.4: ... plot is shown in Figure 5.4. 0 10 20 30 40 50 0 2000 4000 6000 8000 100 00 12000 14000 Polynomial − linear/lin...

Ngày tải lên: 12/08/2014, 16:21

... example: >> a = poly(r) a= 1.0000 -2.0000 -3.0000 10. 0000 Example 6.1 Finding the depth of a well using roots of a polynomial 118 X= -2 -101 2 -2 -101 2 -2 -101 2 -2 -101 2 Y= -1 -1 -1 -1 -1 00000 11111 22222 After ... is: 129 10 −8 −6 −4 −2 0 2 4 6 8 10 −0.4 −0.2 0 0.2 0.4 0.6 0.8 1 sinc(x) x Figure 6.15: Sinc signal 134 >> lengths = 100 *sind([30 60 90; 120 150 180]) leng...

Ngày tải lên: 12/08/2014, 16:21

... the script: coin = Columns 1 through 12 1100 101 1101 1 Columns 13 through 24 100 00 1101 011 Columns 25 through 36 01 1100 000 010 Columns 37 through 48 0101 0 1101 100 Columns 49 through 50 00 The histogram ... script is: 0 25.0000 10. 0000 18.9811 20.0000 15.3773 30.0000 13.2196 40.0000 11.9277 50.0000 11.1542 60.0000 10. 6 910 70.0000 10. 4138 80.0000 10. 2477 90.0000 10. 1483...

Ngày tải lên: 12/08/2014, 16:21

... pressure level in dB, normalized so that 0 dB appears at 100 0 Hz is done with the following script: f = [20 :10: 100 200 :100 :100 0 1500 2000 :100 0 :100 00]; % frequency in Hz spl = [76 66 59 54 49 46 43 ... the difficulties with higher-degree polynomials. 10. 2 Applied Problem Solving: Hydraulic Engineering The following application is from Matlab for Engineering Applications by...

Ngày tải lên: 12/08/2014, 16:21

... were generated, and which ones were most interesting? 276 101 Activities for Teaching Creativity and Problem Solving 09 VG 247-294b 10/ 6/04 12:22 PM Page 276 TLFeBOOK Related Activities • Picture ... creative talents and visual images. To ensure successful implementation, plan ahead for technical problems that might arise, such as cameras not working properly to take or print pictures....

Ngày tải lên: 14/08/2014, 16:20