Problem #1:吳堉光

題旨：操作使用MATLAB

程式流程和程式內容

% Problem #1

clear all

% Question 1

f=200; d=20; t=60; % f = force, d =distance, t = time

j=0.101972;

p=f*d/j/t;

fprintf('%s%s%f\n','Question#1: ','Power is ',p);

% Question 2

clear all

R1=1;R2=10;R3=100; % three resistors

R=R1+R2+R3;

V=110; % V is volt

i=V/R; % i is current

w=i*V; % w is power consumption

fprintf('%s%s%f%s%f\n','Question#2: ','Current is ',i,'; Power consuption is ',w)

% Question 3

clear all

a=650; b=428; c=282;

s=(a+b+c)/2;

a=sqrt(s*(s-a)*(s-b)*(s-c)); % Heron formatiom

fprintf('%s%s%f\n','Question#3: ','The area of trangle is ',a)

% Question 4

clear all

x=(52000+84300-25000)/600; % x is the number of hogs

fprintf('%s%s%f\n','Question#4: ','The number of hogs is ',x)

% Question 5

clear all

L=4; H=0.9;

Q=3.33*(L-0.2*H)^(3/2);

fprintf('%s%s%f\n','Question#5: ','The flow rate is ',Q)

執行結果及討論

Question#1: Power is 653.774239

Question#2: Current is 0.990991; Power consuption is 109.009009

Question#3: The area of trangle is 45233.155981

Question#4: The number of hogs is 185.500000

Question#5: The flow rate is 24.862184