MATLAB Demystified phần 6 pps

... Figure 6- 4 A plot of f (x) = 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 164 MATLAB Demystifi ed SOLUTION 6- 8 Using MATLAB ... Figure 6- 6. Figure 6- 6 A plot of f (x) = x 4 – 2x 3 identifying the local minimum found in Example 6- 6 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5 3 0 5 10 15 20 25 30 x x 4...

Ngày tải lên: 12/08/2014, 21:20

... algebra on paper, MATLAB doesn’t know what to do with it. On the other hand, MATLAB is completely happy if you assign the value 90 – 6 to the variable x by writing x = 90 – 6 16 MATLAB Demystifi ... 1.4918 1 .64 87 1.8221 2.0138 2.2255 2.45 96 Column 11 2.7183 Or we could have y = x 2 : >> y = x^2 y = Columns 1 through 10 0 0.0100 0.0400 0.0900 0. 160 0 0.2500 0. 360...

Ngày tải lên: 12/08/2014, 21:20

... 5 -6. −10 −8 6 −4 −2 0 2 4 6 8 10 0 1000 2000 3000 4000 5000 60 00 7000 8000 9000 10000 x x 4 − 5x 3 + 4x 2 − 5x + 6 Figure 5 -6 Plot of the function x 4 − 5x 3 + 4x 2 − 5x + 6 1 26 MATLAB ... terms: > s = taylor(sin(x),20) s = x–1 /6* x^3+1/120*x^5–1/5040*x^7+1/ 362 880*x^9–1/ 399 168 00*x^11+1 /62 27020800*x^13–1/130 767 4 368 000*x^15+1/ 35 568 74280 960 00*x^17–1/12...

Ngày tải lên: 12/08/2014, 21:20

... inverse must exist. MATLAB spits it out for us: >> T = inv(S) T = –0.9259 0.4815 0.4815 0.1111 –0 .62 96 0.1574 0 .65 74 0.05 56 –0.59 26 0.1481 0.1481 0.1111 0 .66 67 –0. 166 7 –0. 166 7 0 CHAPTER 2 ... = 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...

Ngày tải lên: 12/08/2014, 21:20

... next example, we will plot y = tanh(x) over the range 6 ≤ x ≤ 6 with a grid display. First we define our interval: >> x = [ 6: 0.01 :6] ; Next, we define the function: >> y = tanh(x); The ... your first function, call subplot, and tell MATLAB where to place it, then call plot to draw the curve. Then repeat for the next function 66 MATLAB Demystifi ed This squares eac...

Ngày tải lên: 12/08/2014, 21:20

... 36 1 06 MATLAB Demystifi ed First let’s generate an array of probabilities: >> p = y/N p = Columns 1 through 10 0.0278 0.05 56 0.0278 0. 166 7 0.1111 0.1944 0.05 56 0.0278 0.0833 0.05 56 Columns ... 4 2 9] A = 104 MATLAB Demystifi ed 1 2 3 4 4 2 4 2 9 >> mean(A) ans = 3.0000 2 .66 67 4 .66 67 But this simple built-in function won’t work for when the data is weigh...

Ngày tải lên: 12/08/2014, 21:20

... ft/s is found to be: t 123 4 5 6 7 8 9 10 v(t) 65 95 110 150 170 210 240 260 265 272 Find the total distance covered by the sled. 204 MATLAB Demystifi ed SOLUTION 8 -6 The curve is shown in Figure ... −0.2 0 0.2 0.4 0 .6 −0.4 −0.2 0 0.2 0.4 0 .6 0.8 1 x y Figure 7-8 The phase portrait for the system solved in Example 7-2 2 16 MATLAB Demystifi ed So the sled has traveled 166 8.50...

Ngày tải lên: 12/08/2014, 21:20

... command: >> w = m*handicap + b w = 3. 861 6 3.9399 4.0182 4.0 965 4.1748 4.2532 4.3315 4.4098 4.4881 4. 566 4 248 MATLAB Demystifi ed The data together with the line MATLAB has come up with to fit it ... then: r A S 2 1=− Average 4 .6 4.4 4.2 4 3.8 3 .6 6 8 10 12 14 16 18 20 22 24 Handicap Figure 10-1 A plot of the data along with the least squares fit generated in Example 1...

Ngày tải lên: 12/08/2014, 21:20