Dear all

I have a non continuous function at 0,  how can I use the deifnition of Borel measurable funciton, to show that f is Borel measurable function

borel_M_fct.mw

thank you for your help 

Dear all

I have an equation, I would like to introduce a variable R[0], how can I use subs in my equaiton 

subs_equation.mw

Thank you

Dear all

Can I compute using maple intersection between discrete sets

intersection_sets.mw

thank you for your help 

Dear all

How can I determine a positive constant M such that the following inequality hold for any positive values of a, b,c. 

More precisley, I determine M such that  f(a,b,c) greater or equal M a^2 

The constant M is a positive constant depend only on alpha 

find_positive_constant_M.mw

thank you for your help 

Dear all

I would like to compute Hardy−Littlewood maximal function : we use polar coordinate for a radial function  and then evalaute integral with respect the radius r 

Hardy_maximal_function.mw

Thank you for your help