265 reputation
18
bio website 554256995.qzone.qq.com
location Changping, China
age 19
visits member for 2 years, 2 months
seen Dec 3 at 17:10

Mathematics is wonderful while Mathematica is a wonder.


Dec
11
revised Add a column to a matrix as a function of the other columns
added 161 characters in body
Dec
11
answered Add a column to a matrix as a function of the other columns
Dec
11
awarded  Commentator
Dec
11
comment Add a column to a matrix as a function of the other columns
Take a look at Elegant operations on matrix rows and columns.
Dec
10
awarded  Yearling
Dec
10
awarded  Teacher
Dec
10
comment How to combine two vectors into a matrix by columns?
OP wanted {{a,c},{b,d}} which is a concatenation by columns.
Dec
10
answered How to combine two vectors into a matrix by columns?
Oct
26
accepted How to release $Mathematica$ from the $Pre HoldAllComplete lock
Oct
26
comment How to release $Mathematica$ from the $Pre HoldAllComplete lock
How does the Button function get evaluated? Is it through the Front End?
Oct
26
comment How to release $Mathematica$ from the $Pre HoldAllComplete lock
@rm-rf It's interesting that once we change HoldAllComplete to Hold, both the original attempts work.
Oct
26
revised How to release $Mathematica$ from the $Pre HoldAllComplete lock
added 36 characters in body
Oct
26
comment How to release $Mathematica$ from the $Pre HoldAllComplete lock
@belisarius Definitely both, if possible. I don't feel like hurting executed evaluations preceeding the lock.
Oct
26
asked How to release $Mathematica$ from the $Pre HoldAllComplete lock
Nov
24
awarded  Critic
Nov
22
awarded  Scholar
Nov
22
accepted Multi-Factorial and Series with Triple-factorial terms
Nov
22
comment Multi-Factorial and Series with Triple-factorial terms
This answers my original intent, and provided a way to verify that the two results are equivalent.
Nov
22
comment Multi-Factorial and Series with Triple-factorial terms
(+1) I like to explore, and I like your answer. I hope you won't mind that I "accept" @J.M. 's answer, as his directly answers my question.
Nov
22
comment Multi-Factorial and Series with Triple-factorial terms
I like the simplicity of this definition, but the sum still doesn't evaluate.