Solutions Manual MATLAB An Introduction with Applications 6th Edition Amos Gilat

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SOLUTION MANUAL
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, Chapter1 q




SolvedProblems q




Problem 1 q




Script file:
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clear, clc q




disp('Part (a)')
q q




(22+5.1^2)/(50-6.3^2)
disp('Part (b)') q




44/7+8^2/5-99/3.9^2
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Command Window: q




Part (a) q




ans =
q q




4.6566
Part (b) q




ans =
q q




12.5768



Problem 2 q




Script file:
q




clear, clc q




disp('Part (a)')
q q




sqrt(41^2-5.2^2)/(exp(5)-100.53)
disp('Part (b)')
q q




%alternative: nthroot(132,3)+log(500)/8
q




132^(1/3)+log(500)/8
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Command Window: q




Part (a) q




ans =
q q




0.8493
Part (b) q




ans =
q q




5.8685

,Problem 3 q




Script file:
q




clear, clc q




disp('Part (a)')
q q




(14.8^3-6.3^2)/(sqrt(13)+5)^2
disp('Part (b)') q




45*(288/9.3-4.6^2)-1065*exp(-1.5)


Command Window: q




Part (a) q




ans =
q q




43.2392
Part (b) q




ans =
q q




203.7148



Problem 4 q




Script file:
q




clear, clc q




disp('Part (a)')
q q




(24.5+64/3.5^2+8.3*12.5^3)/(sqrt(76.4)-28/15)
disp('Part (b)') q




(5.9^2-2.4^2)/3+(log10(12890)/exp(0.3))^2


Command Window: q




Part (a) q




ans =
q q




2.3626e+03
Part (b) q




ans =
q q




18.9551

Problem 5 q




Script file:
q




clear, clc q




disp('Part (a)')
q q




%alternative: sin(15*pi/180) instead of sind(15) q q q




cos(7*pi/9)+tan(7*pi/15)*sind(15)
q




disp('Part (b)') q




%alternatives: could use nthroot(0.18,3), could convert to radians
q q q q q q




%and use regular trig functions
q q q q




sind(80)^2-(cosd(14)*sind(80))^2/(0.18)^(1/3)

, Command Window: q




Part (a) q




ans =
q q




1.6965
Part (b) q




ans =
q q




-0.6473

Problem 6 q




Script file:
q




clear, clc q




x=6.7;
q




disp('Part (a)') q




0.01*x^5-1.4*x^3+80*x+16.7
disp('Part (b)')
q q




sqrt(x^3+exp(x)-51/x)
q




Command Window: q




ans = q




266.6443
Part (b) q




ans =
q q




33.2499

Problem 7 q




Script file:
q




clear, clc q




t=3.2;
q




disp('Part (a)') q




56*t-9.81*t^2/2
q




disp('Part (b)')
q q




14*exp(-0.1*t)*sin(2*pi*t)


Command Window: q




Part (a) q




ans =
q q




128.9728
Part (b) q




ans =
q q




9.6685