Numerische-Methoden/MonteCarlo-Matlab
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Parric007
2024-05-16 12:27:29 +02:00
parent 4a0994aceb
commit 9b122387d5
1 changed files with 14 additions and 7 deletions
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15
MonteCarloMatlab.m
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@@ -1,24 +1,31 @@
tic; tic;
samples = 10000000; samples = 100000;
xBounds = LinearBounds(0,20); xBounds = LinearBounds(0,20);
yBounds = LinearBounds(-10,150000); yBounds = LinearBounds(-10,150000);
bounds = Bounds(xBounds,yBounds); bounds = Bounds(xBounds,yBounds);
pointsInside = 0; pointsInside = 0;
realValue = realIntegral(bounds.x); realValue = realIntegral(bounds.x);
listOfErrors = [];
listOfIntegrals = [];
for i = 0:samples for i = 1:20
for ii = 0:samples
toTestPoint = bounds.getRandomPoint; toTestPoint = bounds.getRandomPoint;
if getIsInside(toTestPoint) if getIsInside(toTestPoint)
pointsInside = pointsInside+1; pointsInside = pointsInside+1;
end end
end end
listOfIntegrals(i) = pointsInside/samples*bounds.area;
listOfErrors(i) = abs(listOfIntegrals(i) - realValue);
pointsInside = 0;
end
format longG format longG
integral = (pointsInside/samples)*bounds.area integral = (pointsInside/samples)*bounds.area
realValue realValue
error = abs(realValue-integral) error = abs(realValue-integral)
samples listOfErrors
listOfIntegrals
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