Engineering Matlab Problem Solving phần 5 pdf
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
−...
Engineering Matlab Problem Solving phần 1 doc
... 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...
Engineering Matlab Problem Solving phần 2 pptx
... 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...
Engineering Matlab Problem Solving phần 3 docx
... 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...
Engineering Matlab Problem Solving phần 4 pptx
... 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 ....
Engineering Matlab Problem Solving phần 7 docx
... 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...
Engineering Matlab Problem Solving phần 8 ppsx
... 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 +...
Engineering Matlab Problem Solving phần 9 pot
... 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...
Engineering Matlab Problem Solving phần 10 ppsx
... 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...
101 activities foteaching creativity and problem solving phần 5 ppt
... 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
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