Question

Solve the following problems in the MATLAB Command Window. Show all of your work and add comments to distinguish each problem. Include your name as a comment at the top of the MATLAB Command Window. Copy the solutions from the MATLAB Command Window into Microsoft Word. Submit your Microsoft Word file in Blackboard by the due date. 1. (5-20/7+2.53)2 2. 6 x 3.1+ 120/5-155/3 3. 8+80/2.6+ e3.5 4. [sin(0.2T)]/[cos(n/6)] + tan 72° 5. Set t-3.2 and evaluate 0.5e3t+3.82t3 6. Define x 6.5 and y-3.7 and evaluate [(x+y)o.s)/ [(x-y)21-хуг + 2x2 7. Define the variables c 4.7, d 1.6, a cd2 and b (c+a)/(c-d) and evaluate d/c + (ct/b)2-cd - a/b 8. (36.1-2.25T)(log10589006)

Answer 1

MATLAB Code

%Your Name
%1. (5-20/7+2.5^3)^2
fprintf('1. (5-20/7+2.5^3)^2\t\t\t\t\t\t=%1.4f\n',(5-20/7+2.5^3)^2)
%2. 6x3.1+120/5-15^(5/3)
fprintf('2. 6x3.1+120/5-15^(5/3)\t\t\t\t\t=%1.4f\n',6*3.1+120/5-15^(5/3))
%3. 8+80/2.6+e^3.5
fprintf('3. 8+80/2.6+e^3.5\t\t\t\t\t\t=%1.4f\n',8+80/2.6+exp(3.5))
%4. [sin(0.2pi)]/[cos(pi/6)]+tan72deg
fprintf('4. [sin(0.2pi)]/[cos(pi/6)]+tan72deg\t=%1.4f\n',sin(0.2*pi)/cos(pi/6)+tan(72*pi/180))
%5. Set t=3.2 and evaluate 0.5e^(3t)+3.82t^3
t=3.2;
fprintf('5. 0.5e^(3t)+3.82t^3\t\t\t\t\t=%1.4f\n',0.5*exp(3*t)+3.82*t^3)
%6. Define x=6.5 and y=3.7 and evaluate [(x+y)^0.5]/[(x-y)^2]-xy^2+2x^2
x=6.5;
y=3.7;
fprintf('6. [(x+y)^0.5]/[(x-y)^2]-xy^2+2x^2\t\t=%1.4f\n',(x+y)^0.5/(x-y)^2-x*y^2+2*x^2)
%7. Define the variables c=4.7,d=1.6,a=cd^2 and b=(c+a)/(c-d) and evaluate
%d/c+(ct/b)^2-c^d-a/b
c=4.7;
d=1.6;
a=c*d^2;
b=(c+a)/(c-d);
fprintf('7. d/c+(ct/b)^2-c^d-a/b\t\t\t\t\t=%1.4f\n',d/c+(c*t/b)^2-c^d-a/b)
%8. (3.61-2.25pi)(log10(589006))
fprintf('8. (3.61-2.25pi)(log10(589006))\t\t\t=%1.4f\n',(3.61-2.25*pi)*log10(589006))

Output on the command prompt

1. (5-20/7+2.5^3)^2                       =315.6967
2. 6x3.1+120/5-15^(5/3)                   =-48.6330
3. 8+80/2.6+e^3.5                       =71.8847
4. [sin(0.2pi)]/[cos(pi/6)]+tan72deg   =3.7564
5. 0.5e^(3t)+3.82t^3                   =7507.5645
6. [(x+y)^0.5]/[(x-y)^2]-xy^2+2x^2       =-4.0776
7. d/c+(ct/b)^2-c^d-a/b                   =-6.0189
8. (3.61-2.25pi)(log10(589006))           =-19.9564