Contents

Aaron Klapheck

Assignment #2

clear, clc

Problem 2

x=2, y=5                %Set variable Quantities

(y*x^3)/(x-y)           %Part a.

(3*x)/(2*y)             %Part b.

3/2*x*y                 %Part c.

x^5/(x^5-1)             %Part d.

x =

     2


y =

     5


ans =

  -13.3333


ans =

    0.6000


ans =

    15


ans =

    1.0323

Problem 3

x=3, y=4                %Set variable quantities for problem 3.

(1-1/x^5)^(-1)          %Part a.

3*pi*x^2                %Part b.

3*y/(4*x-8)             %Part c.

4*(y-5)/(3*x-6)         %Part d.

x =

     3


y =

     4


ans =

    1.0041


ans =

   84.8230


ans =

     3


ans =

   -1.3333

Problem 7

r=5

V=4/3*pi*r^3            %Volume of sphere.

V = V + 0.3*V           %Volume of 20% larger sphere.

(3*V/(4*pi))^(1/3)      %Radius of this larger sphere.

r =

     5


V =

  523.5988


V =

  680.6784


ans =

    5.4570

Problem 13

x = [1:0.2:5];
y = 7*sin(4*x)

length(y)               %The number of elements for y.

y(3)                    %The third element of y.

y =

  Columns 1 through 9 

   -5.2976   -6.9732   -4.4189    0.8158    5.5557    6.9255    4.0944   -1.2203   -5.7948

  Columns 10 through 18 

   -6.8542   -3.7560    1.6206    6.0141    6.7596    3.4048   -2.0153   -6.2130   -6.6419

  Columns 19 through 21 

   -3.0420    2.4032    6.3906


ans =

    21


ans =

   -4.4189

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