MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

# Solution 310145

Submitted on 25 Aug 2013 by Robert Canfield

Correct

35Size
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### Test Suite

Test
Code Input and Output
1
Pass

```%% AOE 2074 Week 1 -- Cody Example
%  Chapra Example 1.1
%  Analytical Solution to the Bungee Jumper Problem
% Initialize state variable, time (t), parameters (p), and right-side force (f)
% Time, t, is a vector of values taken from the table on page 8 of Chapra's textbook.
t = 0:2:12; % seconds
% Parameters are the bungee jumper's mass (m) and drag coefficient (c_d)
m   = 68.1; % kg
c_d = 0.25; % kg/m
% Right-hand-side force is the gravitational force with gravitational constant (g)
g = 9.81;   % m/s^2
% Compute analytical solution for velocity (downward speed) at given values of time.
v = Chapra_Example_1p1_velocity( t, m, c_d, g );
% Check error against textbook solution given in table on page 8.
Velocity = [0
18.7292
33.1118
42.0762
46.9575
49.4214
50.6175];
assert(norm(Velocity-v(:),inf)<1e-4)
```

2
Pass

```%% Steady-state solution
v = Chapra_Example_1p1_velocity( inf, 68.1, 0.25, 9.81 );
assert(abs(v-51.6938)<1e-4)
```

3
Pass

```%% Chapra Example 1.1 for t=30
v = Chapra_Example_1p1_velocity( 30, 68.1, 0.25, 9.81 );
assert(abs(v-51.6926)<1e-4)
```

4
Pass

```%% Cheating check