Øving:
Oppgave 1 - Flervalgsoppgaver
...
Svar: Spesifiserer formatet på pakkene som sendes over nettet, og mekanismene for å sende pakker fra én datamaskin via rutere, til en annen.
Oppgave 2 - Dra&Slipp
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function all_about_me(name, age, study) fprintf("My name is %s",name) fprintf("\n") fprintf("I am %s years old,",age) fprintf(" and I study %s",study) end |
Oppgave 3 - Kodeforståelse
a)
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x = 3
y = 2
Funksjonen returnerer hvor mange ganger b går opp i a og resten av
divisjon av a på b. |
b)
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m = JULENISSEN
Funksjonen returnerer en streng med annenhver bokstav hentet fra
de to inputstrengene, med første bokstav hentet fra andre inputstreng (y). |
c)
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ans = 6
f regner ut den rekursive tverrsummen (av tverrsummen, av ...tallet), helt til det er bare et siffer igjen. |
d)
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101011001
Konverterer heltall til binærrepresentasjon |
Oppgave 4
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function wordsWithPrefix = checkPrefix(words , prefix) wordsWithPrefix = {}; i = 1; for word = words if startsWith(word, prefix) cellArray = {cellArray, word}; end end end |
Oppgave 5
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function isMatch = match(observed , actual)
isMatch = true;
for pos = 1: length(observed)
if (observed(pos) ~= '?' && observed(pos) ~= actual(pos))
isMatch = false;
end
end
end |
Oppgave 6
a)
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function date = dateStruct( day , month , year )
date = struct('day', day , 'month', month , 'year', year);
end |
b)
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function movie = movieStruct(name , director , premiereDate)
movie = struct('name', name , 'director ', director , 'premiereDate ', premiereDate ');
end |
c)
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function validMovies = getMovieStructs(movies , fromYear , toYear)
validMovies = [];
for movie = movies
if movie.premiereDate.year > fromYear && movie.premiereDate.year < toYear
validMovies = [validMovies movie];
end
end
end |
Oppgave 7
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function [avgPuls , minPuls , maxPuls] = pulsStatistikk(pulsData)
minPuls = inf;
maxPuls = -inf;
sumPuls = 0;
antall = 0;
for puls = pulsData
antall = antall + 1;
if puls < minPuls
minPuls = puls;
end
if puls > maxPuls
maxPuls = puls;
end
sumPuls = sumPuls + puls;
end
avgPuls = sumPuls/antall;
end |
Oppgave Quiz
a)
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function result = beginsWith(capitals, letter)
result = {};
for city = capitals
if city{1}(1)==letter
result(end+1) = city;
end
end
end |
b)
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function letter = randomLatinLetter(upper)
if upper
asciiValue = randi([65 90]);
else
asciiValue = randi([97 122]);
end
letter = char(asciiValue);
end |
c)
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function [questions, solutions] = letterQuestion(capitals)
nSolutions = 0;
while nSolutions == 0
letter = randomLatinLetter(true);
solutions = beginsWith(capitals, letter);
nSolutions = length(solutions);
end
questions = sprintf('Capital starting with %s ?', letter);
end |
d)
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function result = nLetters(city)
result = length(city);
for i = city
if city(i) == ' '
result = result -1;
end
end
end |
e)
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function withLength = hasLength(capitals, length)
withLength = {};
for city = capitals
if nLetters(city{1}) == length
withLength(end+1) = city;
end
end
end |
f)
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function [que, sol] = lengthQuestion(capitals)
okLengths = [];
for city = capitals
len = nLetters(city{1});
if sum(len == okLengths) == 0
okLengths(end + 1) = len;
end
end
randomLength = okLengths(randi(length(okLengths)));
que = sprintf("Capital with %i letters? ", randomLength);
sol = hasLength(capitals, randomLength);
end |
g)
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function [que, sol] = randomQuestion(capitals)
qType = randi([0,1]);
if qType == 0
[que, sol] = letterQuestion(capitals);
else
[que, sol] = lengthQuestion(capitals);
end
end |
h)
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function playQuiz(capitals):
keepOn = True
points = 0
while keepOn
[quest, sol] = randomQuestion(capitals)
city = input(quest, 's')
if strcmp(city, 'q'):
keepOn = False
elseif ismember(city, sol):
disp('Correct!')
points = points + 1;
else
disp('Sorry, that was wrong!')
end
end
end |
i)
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function main()
disp('CAPITALS QUIZ')
disp('Answer questions to score points.')
disp('To quit, answer q')
points = playQuiz(allCapitals)
if points == 1
text = '1 point.\n'
else
text = sprintf('%i points.\n', points)
end
fprintf('Congrats! You scored %s', text)
end |
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function triplets = pythagoreanTriplets(n)
triplets = [];
a = 2;
while true
[rows, ~] = size(triplets);
if rows >= n
return
end
a = a + 1;
% Ingen vits å lete over denne
maxSearch = a^2;
for b = a : maxSearch
c = sqrt(a^2 + b^2);
if mod(c, 1) == 0
triplets = [triplets; a, b, c];
end
end
end
end |