lottery 6 out of 46

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Raz134
Raz134 2020-12-5
回答： Image Analyst 2020-12-6
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
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Raz134
Raz134 2020-12-6
The following functions/operators (input functions are all allowed) are allowed to be used:
- Arithmetic basic functions (+ - - :)
- Assignment (=)
- Comparison operators (< ≤ == ≥ >)
- Increment, decrement operators, bit operations
- min, max, sum, length of vectors
- modulo
- round (floor, ceil, round), abs
- Random function: 0-1 equally distributed, 1-n integer
- Trigonometric functions (sin, cos, tan)
- Constants (pi)
- Logic Operators
- Root
- Faculty
- logarithm
So i thought i can use "randperm" because its a random function. Im fairly limited and it makes stuff really hard. This makes it very hard to comeup with solutions to my problems
So im trying to simulate 6 out of 46 lottery and compare it to random tipps generated and compare my results of 1s 2s 3s... with theoretical results. Not sure how I am able to count these though with my limited options.
Rik
Rik 2020-12-6
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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采纳的回答

Image Analyst
Image Analyst 2020-12-6
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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