1. Test Your Understanding Chp01
Engr/Math/Physics 25
Test Your Understanding Chp01
Bruce Mayer, PE
Licensed Electrical & Mechanical Engineer

2. Error on T1.1-1(a)
Shows a. =
>> / /(5*7) + 5*9^2
ans =
>> / /(5*7) + 5*(9^2)

3. T1.3-3

4. 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')

5. T1.3-3: File → Save As...jpg

6. T1.3-4

7. 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')

8. T1.3-5 Command Script From the Command Window
>> B = [112; 75; -67];
>> soln = A\B
soln =
2.0000

9. T1.4-1
>> T1dot4dash1
soln =
2.0000

10. T1.4-2 Command Script >> T1dot4dash2
Enter Sphere RADIUS, R = 1.73
Asphere =

11. 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 =
>> XgreaterY_indices = find(x>y)
XgreaterY_indices =

12. Ex 1.6-2

13. T1.6-5 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)
No. Terms = 13
Sum Total =
2457

14. T1.6-5 For Series Find the MINIMUM value of n Such That 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)
For Series
Find the MINIMUM value of n Such That
No. Terms = 13
Sum Total =
2457