MATLAB Demystified phần 3 ppt

... z, 30 ), we get the image shown in Figure 3- 42. Figure 3- 40 Our first call to contour3 for z = cos(x)sin(y) Figure 3- 39 A contour map of z = cos(x)sin(y) with −5 ≤ x ≤ 5, 3 ≤ y ≤ 3 82 MATLAB ... plot(x, y), then MATLAB generates the plot shown in Figure 3- 16. Figure 3- 15 The plot of y = e 3/ 2x sin(5x + 3) with −0.7 ≤ y ≤ 0 .3, generated by using axis([0 5 –0.7 0 .3]...

Ngày tải lên: 12/08/2014, 21:20

... 64 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 10 56 8 58 59 5 4 62 63 1 This ... times the fi rst column: 3 9 3 3 1 3 1− = − ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ⎟ CHAPTER 2 Vectors and Matrices 35 The determinant is: >> A = [5 2 –9; –9 3 2; 6 7 3] >> det(A) a...

Ngày tải lên: 12/08/2014, 21:20

... frequency: raw = Columns 1 through 18 17 17 18 21 21 21 24 26 28 28 28 28 31 31 33 34 34 37 Columns 19 through 26 37 37 39 40 40 43 43 43 So we have replaced the approach we used in the last section of ... - 3s ≤ x ≤ m + 3s is 68%, 96%, and 99.7%, respectively. Using the previous set of age data, the standard deviation and mean were found to be: sigma = 3. 330 7 >>...

Ngày tải lên: 12/08/2014, 21:20

... $37 .78 per unit. The total cost is $28 ,33 5. The entry is: 1/08/02 Cost of goods sold 28 ,33 5 Inventory 28 ,33 5 To record the sale of 750 units at a cost of $37 .78 On January 9, a purchase of 2,000 ... 17,500 To record the sale of 500 units that cost $35 10288$ $CH8 08-29- 03 08 :31 :16 PS 48 Accounting Demystified owed. Typical columns are Current, 31 –60 days, 61–90 days, 91–120...

Ngày tải lên: 06/08/2014, 10:20

... reconciliation, 34 –40 adjustments in, 36 , 38 –40 deposits in, 35 , 36 , 37 38 , 40 function of, 34 35 outstanding checks in, 35 , 36 , 37 preparing, 35 36 board of directors, 104–105 bonds payable, 91, 95–96, 1 23 124 bonds ... 129– 135 cash disbursement journal, 131 – 133 cash receipts journal, 130 – 131 payroll journal, 134 – 135 purchases journal, 133 purpose of, 129...

Ngày tải lên: 06/08/2014, 10:20

... the value of 433 .12 multiplied by 15.7. We type 433 .12 * 15.7 at the MATLAB prompt and hit the enter key. The result looks like this: >> 433 .12*15.7 ans = 6.8000e+0 03 MATLAB spits out ... Questions 30 3 Index 31 9 20 MATLAB Demystifi ed An aside—note that when squaring a vector in MATLAB, a period must precede the power operator (^). If we just enter >> y = x...

Ngày tải lên: 12/08/2014, 21:20

... taylor(sin(x),20) s = x–1/6*x ^3+ 1/120*x^5–1/5040*x^7+1 /36 2880*x^9–1/ 39 916800*x^11+1/6227020800*x^ 13 1/ 130 767 436 8000*x^15+1/ 35 5687428096000*x^17–1/121645100408 832 000*x^19 The representation ... roots. −4 3 −2 −1 0 1 2 3 4 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 x x + 3 Figure 5-4 Using ezplot with the call ezplot(‘x + 3 , [–4, 4, –2, 2]) 132 MATLAB Demystifi ed >> c =...

Ngày tải lên: 12/08/2014, 21:20