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user64494
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A less-known example is $f(x):=x^2+\exp(-1/(100(x-1))^2)-1$ on the closed interval $[-2,2]$. SeeIt takes $-.0067419337989203 $ at $x = .996387676055289 $.
enter image description here See that discussion in MaplePrimes for more details.

A less-known example is $f(x):=x^2+\exp(-1/(100(x-1))^2)-1$ on the closed interval $[-2,2]$. See that discussion in MaplePrimes for more details.

A less-known example is $f(x):=x^2+\exp(-1/(100(x-1))^2)-1$ on the closed interval $[-2,2]$. It takes $-.0067419337989203 $ at $x = .996387676055289 $.
enter image description here See that discussion in MaplePrimes for more details.

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user64494
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A less-known example is $f(x):=x^2+exp(-1/(100*(x-1))^2)-1$$f(x):=x^2+\exp(-1/(100(x-1))^2)-1$ on the closed interval $[-2,2]$. See that discussion in MaplePrimes for more details.

A less-known example is $f(x):=x^2+exp(-1/(100*(x-1))^2)-1$ on the closed interval $[-2,2]$.

A less-known example is $f(x):=x^2+\exp(-1/(100(x-1))^2)-1$ on the closed interval $[-2,2]$. See that discussion in MaplePrimes for more details.

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user64494
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A less-known example is $f(x):=x^2+exp(-1/(100*(x-1))^2)-1$ on the closed interval $[-2,2]$.