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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 = {}; for i = 1: length(words) if length(words{i}) >= length(prefix) && strcmp(words{i}(1: length(prefix)), prefix) wordsWithPrefix = [wordsWithPrefix words{i}]; 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 |
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 |
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