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Engr/Math/Physics 25. Test Your Understanding Chp01. Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege.edu. Error on T1.1-1(a). Shows a. = 410.1297. >> 6 + 10/13 + 18/(5*7) + 5*9^2 ans = 412.2835 >> 6 + 10/13 + 18/(5*7) + 5*(9^2) ans = 412.2835. T1.3-3.
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Engr/Math/Physics 25 Test Your UnderstandingChp01 Bruce Mayer, PE Licensed Electrical & Mechanical EngineerBMayer@ChabotCollege.edu
Error on T1.1-1(a) • Shows a. = 410.1297 >> 6 + 10/13 + 18/(5*7) + 5*9^2 ans = 412.2835 >> 6 + 10/13 + 18/(5*7) + 5*(9^2) ans = 412.2835
T1.3-3 Command Script • From the Command Window >> t = [0:0.1:5]; >> s = 2*sin(3*t +2) + sqrt(5*t +1); >> plot(t,s), xlabel('t (seconds)'), ylabel('s (fps)'), title('Speed vs Time - ENGR25 Jun05')
T1.3-4 Command Script • From the Command Window >> x = [0:0.02:1.5]; >> y = 4*sqrt(6*x + 1); >> z = 5*exp(0.3*x) - 2*x; >> plot(x,y,x,z), xlabel('distance (m)'), ylabel('force (N)'), gtext('y'), gtext('z')
T1.3-5 Command Script • From the Command Window >> A = [6,-4,8; -5,-3,7; 14,9,-5]; >> B = [112; 75; -67]; >> soln = A\B soln = 2.0000 -5.0000 10.0000
T1.4-1 >> T1dot4dash1 soln = 2.0000 -5.0000 10.0000
T1.4-2 Command Script >> T1dot4dash2 Enter Sphere RADIUS, R = 1.73 Asphere = 37.6099
T1.6-2 Command Script • From the Command Window >> x = [-4,-1,0,2,10]; y = [-5,-2,2,5,9]; >> XgreaterY_val = x(x>y) XgreaterY_val = -4 -1 10 >> XgreaterY_indices = find(x>y) XgreaterY_indices = 1 2 5
Total = 0; k = 0; while Total <2e+3 k = k+1; Total = 3*k^2 + Total; end disp('No. Terms = ') disp(k) disp('Sum Total = ') disp(Total) T1.6-5 No. Terms = 13 Sum Total = 2457
For Series Total = 0; k = 0; while Total <2e+3 k = k+1; Total = 3*k^2 + Total; end disp('No. Terms = ') disp(k) disp('Sum Total = ') disp(Total) T1.6-5 • Find the MINIMUM value of n Such That No. Terms = 13 Sum Total = 2457