Evaluate expression at value

Question:Evaluate expression at value

Posted: asukumari 60 Product: Maple

December 12 2017

How do you evaluate a function expression at given variable values?

f := 2*sin(x)-x^2/10.00:

eval(f, x = 5) gives 2*sin(5)-2.500000000

evalf(eval(f, x = 5)) gives -4.417848549

So is there a way we can just numerically calculate f(x) where x = 5?

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