narges

Iran

I will soon be a mathematician...

Oct
14
awarded Peer Pressure
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
thanks a lot master
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
is limits points of k {0}?
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
then k is closed,yes?
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
1\2( 1/n + 1/(n+1))? yes?
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
5/12? is true??
Oct
14
comment Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
k=A+ {0}?? is true?
Oct
14
asked Is the set where $\mathrm{dist}(x,\{1,1/2,1/3,\ldots\})$ is not differentiable a closed set?
Oct
11
comment What is the answer of this problem?
thank you very much
Oct
11
comment What is the answer of this problem?
thank you very much
Oct
11
asked What is the answer of this problem?
Oct
11
awarded Editor
May
4
awarded Student
May
4
awarded Commentator
May
4
comment Relationship between $\nabla\cdot n$ and the normal $n$
Thank you for editting
May
4
comment Relationship between $\nabla\cdot n$ and the normal $n$
Ok,Thank you...
May
4
comment Relationship between $\nabla\cdot n$ and the normal $n$
I mean that "∇.N"
May
4
asked Relationship between $\nabla\cdot n$ and the normal $n$
May
4
comment what is "kink"?
thank you,got it!
May
4
comment what is "kink"?
thank you,what is relationship between gradiant and curvature from geometry?
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