MATLAB Demystified phần 1 pps
MATLAB Demystified phần 1 pps
... =
Columns 1 through 10
1. 0000 1. 1052 1. 2 214 1. 3499 1. 4 918 1. 6487
1. 82 21 2. 013 8 2.2255 2.4596
Column 11
2. 718 3
Or we could have y = x
2
:
>> y = x^2
y =
Columns 1 through 10
0 0. 010 0 0.0400 ... Class
V 1x1 8 double array
a 1x1 8 double array
ans 1x1 16 double array (complex)
r 1x1 8 double array
s 1x1 8 double array
t 1x1 8 double array
x 1x1 8 doub...
MATLAB Demystified phần 5 pps
... taylor(sin(x),20)
s =
x 1/ 6*x^3 +1/ 120*x^5 1/ 5040*x^7 +1/ 362880*x^9 1/
39 916 800*x ^11 +1/ 6227020800*x ^13 1/ 1307674368000*x ^15 +1/
355687428096000*x ^17 1/ 1 216 4 510 0408832000*x ^19
The representation this ... typing:
>> s.x (1)
ans =
1/ 9*exp(–lambertw( 1/ 9*log(5)*5^ (1/ 9)) +1/ 9*log(5)) +1/ 9
>> s.x(2)
ans =
1/ 9*exp(–lambertw( 1, 1/ 9*log(5)*5^ (1/ 9)) +1/ 9...
MATLAB Demystified phần 6 pps
... by the ode23 solver:
y =
2.0000
2 .15 93
2. 511 0
2.8080
2.9848
2. 916 9
2.6344
2. 212 3
1. 7999
1. 4 512
1. 1892
1. 0323
1. 011 5
1. 1536
1. 4337
1. 7689
1. 9996
With the precision used to present ... x
3
– 3x
2
+ 3x
0 0.2 0.4 0.6 0.8 1 1.2 1. 4 1. 6 1. 8 2
0
0.2
0.4
0.6
0.8
1
1.2
1. 4
1. 6
1. 8
2
x
x
3
− 3x
2
+ 3x
16 4
MATLAB Demystifi ed
SOLUT...
Accounting Demystified phần 1 pdf
... Stock 10 0
Common Stock 10 1
Recording the Issuance . 10 2
Treasury Stock 10 3
Dividends 10 4
Chapter 17 Merchandising Companies 10 7
Perpetual Inventory System 11 1
Periodic Inventory System 11 4
Discounts ... Payment 11 5
Side-by-Side Comparison of the Periodic and
Perpetual Systems 11 7
Chapter 18 Adjusting and Closing Entries 11 8
Payroll Accrual 11 9
Reversing Entries 12 1...
Accounting Demystified phần 7 pps
... directors of a company may declare a divi-
10 288$ CH16 08-29-03 08: 31: 37 PS
12 0
Accounting Demystified
MTWThF
12 34
78 910 11
14 15 16 17 18
21 22 23 24 25
28 29 30 31
The amount of payroll that should ... 240,000
Payroll taxes 18 7,500
Rent 11 0,000
Utilities 23,000
Office supplies 15 ,000
Office expense 12 ,000
Total expenses $2,462,500
Net income $ 61, 500
10 288$ CH1...
MATLAB Demystified phần 2 pptx
... inverse must exist. MATLAB spits it out for us:
>> T = inv(S)
T =
–0.9259 0.4 815 0.4 815 0 .11 11
–0.6296 0 .15 74 0.6574 0.0556
–0.5926 0 .14 81 0 .14 81 0 .11 11
0.6667 –0 .16 67 –0 .16 67 0
CHAPTER ... 2 3 61 60 6 7 57
9 55 54 12 13 51 50 16
17 47 46 20 21 43 42 24
40 26 27 37 36 30 31 33
32 34 35 29 28 38 39 25
41 23 22 44 45 19 18 48
49 15 14 52 53 11...
MATLAB Demystified phần 3 ppt
... = [0:0. 01: 5];
>> y = exp( 1. 2*x).*sin(20*x);
>> subplot (1, 2 ,1)
By passing (1, 2, 1) to subplot, we have told MATLAB that we are going to create
an array with 2 panes and 1 row, and ... shown in Figure 3 -13 .
Now let’s make a plot of y = e
−3/2x
sin(5x + 3). First we try 0 ≤ x ≤ 5, 1 ≤ y ≤ 1.
>> y = exp( 1. 5*x).*sin(5*x+3);
>> plot(x,y), axis([0 5 1...
MATLAB Demystified phần 4 pptx
...
12 0
MATLAB Demystifi ed
Quiz
1. The weights in pounds of a set of male students are described as follows:
Weight Frequency
13 0 2
13 8 1
145 3
15 0 6
15 2 1
155 3
16 0 1
164 1
165 3
16 7 4
17 0 3
17 2 ... Garcia Simpson Smith
90 10 0 10 5 8
80–89 13 10 17
70–79 18 20 15
60–69 3 5 2
50–59 0 3 1
Generate grouped and stacked histograms of the data.
SOLUTION 4 -1...
MATLAB Demystified phần 7 docx
... then:
>> int(pi*exp(–2*x) ,1, 2)
ans =
1/ 2*pi*exp(–4) +1/ 2*pi*exp(–2)
Numerically we find this value is 0 .18 38.
1 1 .1 1.2 1. 3 1. 4 1. 5 1. 6 1. 7 1. 8 1. 9 2
0 .15
0.2
0.25
0.3
0.35
x
exp(−x)
Figure ...
EXAMPLE 8 -11
The velocity of a rocket sled on a track is measured once a second for 10 seconds.
The velocity in ft/s is found to be:
t 12 3 4 5 6 7 8 9 10
v(t)...
MATLAB Demystified phần 8 docx
... MATLAB:
>> time = [0,0.5 ,1. 0 ,1. 5,2,2.5,3,3.5,4,5,6,6 .1, 7];
>>temp = [300,2 81, 2 61, 244,228, 214 ,202 ,19 1 ,18 1 ,16 4 ,15 1 ,14 9 ,14 1];
Let’s plot the data, which is shown in Figure 10 -5.
Now we call polyfit ... 228
2.5 214
3.0 202
3.5 19 1
4.0 18 1
5.0 16 4
6.0 15 1
6 .1 149
7.0 14 1
Try a third order polynomial fit to the data and estimate how good the fit...
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