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Symbolic calculus of extrema

Hi!

Is there any way in Sagemath to find symbolically the local extrema of a given function?

Thanks for your answers!

Symbolic calculus of extrema

Hi!

Is there any way in Sagemath to find symbolically the local extrema of a given function?

Thanks for your answers!

EDIT: As an example one may be interested in the extrema of the following differentiable function:

K=var('K');
l=var('l');
x=var('x');
z(x)=(cosh(-1/2*K*l+K*x)-cosh(1/2*K*l))/K; #Given function

Symbolic calculus of extrema

Hi!

Is there any way in Sagemath to find symbolically the local extrema of a given function?

Thanks for your answers!

EDIT: As an example one may be interested in the extrema of the following differentiable function:

K=var('K');
l=var('l');
x=var('x');
z(x)=(cosh(-1/2*K*l+K*x)-cosh(1/2*K*l))/K; #Given function