a)
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function result = f(x)
result = exp(-(x.^2));
end
% eller f = @(x) exp(-x.^2); |
b)
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x =-2:0.01:2;
plot(x,f(x)) |
c)
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hold on
x = -2:0.5:2;
plot(x,f(x)) |
d)
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function area = trapezoidArea(a, b, w)
area = (a+b)/2 * w;
end |
e)
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function area = trapezoidMethod(start, stop, n, fn)
area = 0;
h = (stop - start) / n;
for i = start : h : (stop - h)
a = fn(i);
b = fn(i + h);
area = area + trapezoidArea(a, b, h);
end
end |
Dersom vi øker n, vil vi få en bedre approksimasjon.