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- # numeerinen derivointi Julia-kielellä
- using ForwardDiff
- function Derivaatat()
- println("Julian derivaattatesti:")
- f(x)=x^(exp(-x))+sin(x)*cos(x) # funktio f
- g(x) = x^(exp(-x)-1)*exp(-x)*(1-x*log(x))+1-2*sin(x)^2 # f:n tarkka derivaatta
- derf(x) = ForwardDiff.derivative(f,x) # f:n numeerinen 1. kertaluvun derivaatta
- println("f(2) = ",f(2))
- println("f'(2) tarkka derivaatta = ",g(2))
- println("f'(2) numeerinen derivaatta = ",derf(2))
- end
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