293 reputation
29
bio website
location Italy
age 48
visits member for 2 years, 7 months
seen 1 hour ago

Mathematical Physics researcher. Linux user from 1996. C programmer from 1996 to 2002. Mainly oriented to shell programming, package management tools and in general to command line.


Mar
24
awarded  Teacher
Mar
24
answered in the part assignment is not a symbol, create different matrices with a loop
Mar
24
awarded  Enthusiast
Mar
22
revised The integrand has been evaluated to non-numerical values for all sampling points in the region with boundaries {{0,1},{0,1}}
improved formatting
Mar
22
suggested approved edit on The integrand has been evaluated to non-numerical values for all sampling points in the region with boundaries {{0,1},{0,1}}
Mar
22
comment Row echelon form question
Your second matrix is not in row echelon form.
Mar
20
comment Strange answer from StringReplace
You don't even need "", nor braces: StringReplace[{"90", "", "20"}, StartOfString ~~ EndOfString -> "0"]
Mar
19
awarded  Excavator
Mar
19
revised xCoba: evaluate tensor quantities, given an explicit metric
improved formatting
Mar
19
suggested approved edit on xCoba: evaluate tensor quantities, given an explicit metric
Mar
18
suggested rejected edit on How substitute an AbsolutePoint for a car drawing or car icon?
Mar
17
revised Working with derivative of conjugate of a complex number
improved formatting
Mar
17
suggested approved edit on Working with derivative of conjugate of a complex number
Mar
16
comment Context-dependent functions
Probably you can use the Stack[] function.
Mar
15
revised Solving a backward-forward matrix equation with boundary conditions
corrected spelling errors and improved formatting
Mar
15
suggested approved edit on Solving a backward-forward matrix equation with boundary conditions
Mar
9
revised Matrix operation (simplify)
Corrected spelling, and other little errors.
Mar
9
suggested approved edit on Matrix operation (simplify)
Mar
6
comment Finding minimum of a list of pairs
Yeah, the fastest, I wonder why?
Mar
6
comment Finding minimum of a list of pairs
Thanks, I understood my error, but I cannot understand, from docs, the difference between Timing and AbsoluteTiming.