lottery 6 out of 46

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Raz134
Raz134 on 5 Dec 2020
Answered: Image Analyst on 6 Dec 2020
Hello i need to simulate specific number of games of lottery 6 out of 45 and compare if i get 1s 2s...6s and compare my winrate. I am not allowed to use functions designed specifically for matlab though.
How would i count my similarities between "tipps" and "lottozahl"? counts doesnt seem to work
clc
lottospiele = input ('´Wie oft wollen Sie Lotto spielen?');
while lottospiele > 0
if lottospiele > 0
tipps = randperm (45,6);
lottozahl = randperm(45,6);
disp (lottozahl)
disp(tipps)
counts=histc(tipps, 46:6)
lottospiele = lottospiele - 1;
end
end
  4 Comments
Rik
Rik on 6 Dec 2020
I would suggest a loop. Once you have generated the winning number and your choice you need to loop through either of them to count the number of elements that are shared.

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Accepted Answer

Image Analyst
Image Analyst on 6 Dec 2020
This might be instructive. Adapt as needed:
official = [1,3,32,19,4,21]
myPick = [2,4,19,25,32,40]
% Find the mismatches which are in the official but not in myPick
mismatches = setdiff(official, myPick)
% Find the mismatches which are in myPick but not in the official
mismatches = setdiff(myPick, official)
% Find out which numbers are in both myPick and in the official
[ia, ib] = ismember(myPick, official)
myMatches = myPick(ia)
You'll see:
official =
1 3 32 19 4 21
myPick =
2 4 19 25 32 40
mismatches =
1 3 21
mismatches =
2 25 40
ia =
1×6 logical array
0 1 1 0 1 0
ib =
0 5 4 0 3 0
myMatches =
4 19 32

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