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Feb
16
comment How to avoid CopyTensor in CompiledFunctions?
Trinh. Bạn có học tại trường Lương Thế Vinh, Đồng Nai không?
Feb
14
awarded  Fanatic
Feb
11
comment How to substitute the following conditions into an expression?
Thank you for your answer.
Feb
11
accepted How to substitute the following conditions into an expression?
Feb
11
asked How to substitute the following conditions into an expression?
Feb
2
awarded  Popular Question
Jan
31
awarded  Popular Question
Jan
16
awarded  Self-Learner
Jan
15
accepted Find all values of the paramaters $m$ for which the equation has four roots smaller 2
Jan
15
comment Find all values of the paramaters $m$ for which the equation has four roots smaller 2
How about with equation t^4 + 2 (m + 1) t^2 + m + 7==0?
Jan
15
revised Find all values of the paramaters $m$ for which the equation has four roots smaller 2
edited body; edited title
Jan
15
asked Find all values of the paramaters $m$ for which the equation has four roots smaller 2
Jan
9
awarded  Popular Question
Jan
7
revised Reduce with Integer domain, but receive a rational solution
added 15 characters in body
Jan
7
comment Reduce with Integer domain, but receive a rational solution
My version of Mathematica is 9.0.0. I obtained d is -12 (-3 - 12 k + 6 m - 2 k m - 3 m^2 + 2 k m^2). I edited f[x].
Jan
7
revised Reduce with Integer domain, but receive a rational solution
added 1 characters in body
Jan
7
comment Reduce with Integer domain, but receive a rational solution
I am not using 9.0.1
Jan
7
asked Reduce with Integer domain, but receive a rational solution
Dec
21
comment How can I find the sum of the even digits of a number of all elements of a list?
@ Mr.Wizard. Thank you for your help.
Dec
20
accepted How can I find the sum of the even digits of a number of all elements of a list?