7.17 Tuesday, September 9, 2014
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Top new questions this week:
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[Finding length of intersection of two
surfaces]\url{http://mathematica.stackexchange.com/questions/58768/finding-
length-of-intersection-of-two-surfaces}
I would like to know how we find the length of the intersection of two
surfaces. For instance, in the following example,a surface intersects
with a plane:
How do we find the length of intersection ...
- asked by user19522 (25 votes), answered by RunnyKine (18 votes)
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[How to ask Mathematica to imitate Andy Warhol's pop-art
painting?]\url{http://mathematica.stackexchange.com/questions/59132/how-to-
ask-mathematica-to-imitate-andy-warhols-pop-art-painting}
I tried to ask Mathematica to imitate Andy Warhol, let it convert a
Marilyn Monroe's portrait looks like Warhol's world famous pop-art
painting. However, the result shown below is far from ...
- asked by Putterboy (24 votes), answered by Karsten 7. (16 votes)
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[How to speed up my Project Euler
code]\url{http://mathematica.stackexchange.com/questions/58751/how-to-speed
-up-my-project-euler-code}
The evaluation speed of Mathematica often depresses me. It did it again
when I wrote a code to solve a Project Euler problem.
https://projecteuler.net/problem=206
Here's my code:
ClearAll[a];
a =
...
- asked by Eric (17 votes), answered by Teake Nutma (13 votes)
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[How do you turn off the Dashed graphics
directive?]\url{http://mathematica.stackexchange.com/questions/58992/how-do
-you-turn-off-the-dashed-graphics-directive}
I'm looking at Graphics Directives but can't figure out a way to turn
off the Dashed graphics directive. For example, given
ListPlot[{Table[Sin[i], {i, 25}], Table[Cos[i], {i, 25}]},
Joined -> ...
- asked by Andrew Cheong (16 votes), answered by m_goldberg (15 votes)
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[symbolic integration
error]\url{http://mathematica.stackexchange.com/questions/58940/symbolic-in
tegration-error}
I'm running Mathematica 10.0.0 and encountered a disturbing error in the
symbolic integration of a rather simple function
Integrate[(1 - x)*(1 + 2*x)^6/Sqrt[1 - x^2], {x, -1, 1}]/Pi
The correct ...
- asked by Carlo Beenakker (16 votes), answered by Artes (11 votes)
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[How to generate a blank crossword
sheet?]\url{http://mathematica.stackexchange.com/questions/59001/how-to-gen
erate-a-blank-crossword-sheet}
I attempted to generate a blank crossword sheet. My method is by
combining the rows and columns as shown on the graph below. However,
some of the across and down numbers then appeared out of place ...
- asked by Putterboy (14 votes), answered by ybeltukov (17 votes)
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[Where to see all Mathematica
units]\url{http://mathematica.stackexchange.com/questions/58793/where-to-se
e-all-mathematica-units}
Is there a tutorial page that have all Mathematica units? I sometimes
have hard time figuring out the correct unit spelling when using
quantities
- asked by Yituo (13 votes), answered by paw (17 votes)
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Greatest hits from previous weeks:
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[Finding unit tangent, normal, and binormal vectors for a given
r(t)]\url{http://mathematica.stackexchange.com/questions/18598/finding-unit
-tangent-normal-and-binormal-vectors-for-a-given-rt}
For my Calc III class, I need to find $T(t), N(t)$, and $B(t)$ for $t=1,
2$, and $-1$, given $r(t)=\{t,t^2,t^3\}$.
I've got Mathematica, but I've never used it before and I'm not sure how
to coerce ...
- asked by a98 (12 votes), answered by Artes (29 votes)
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[Get a "step by step" evaluation in
Mathematica]\url{http://mathematica.stackexchange.com/questions/148/get-a-s
tep-by-step-evaluation-in-mathematica}
Is it possible in Mathematica to get a step-by-step evaluation of some
functions; that's to say, outputting not only the result but all the
stages that have led to it?
Example : Let's say I want to ...
- asked by Skydreamer (55 votes), answered by J.M. (47 votes)
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Can you answer these?
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[CUDALink Error: A CUDALink kernel timed
out?]\url{http://mathematica.stackexchange.com/questions/58853/cudalink-err
or-a-cudalink-kernel-timed-out}
I'm following the CUDALink tutorial [
http://reference.wolfram.com/language/CUDALink/tutorial/Introduction.htm
l ] and everything is going fine until I get to the part that calls
CUDADot on the ...
- asked by Edmund (2 votes)
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[Using ParallelMap to run multiple Game of Life simulations
simultaniously]\url{http://mathematica.stackexchange.com/questions/59224/us
ing-parallelmap-to-run-multiple-game-of-life-simulations-simultaniously>
)
My Assignment and Code
As an exercise in Parallel computing I've been tasked with implementing
Conway's GoL in a way such that at every iteration only a fraction of
cells are updated. I'm then to run ...
- asked by Jason Houtekamer (2 votes)
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[How to syntax check that all instance of symbol must be contained in
Subscript[]]\url{http://mathematica.stackexchange.com/questions/59202/how-t
o-syntax-check-that-all-instance-of-symbol-must-be-contained-in-subscrip
t}
I have a function f[expr] that is only allowed to take an expression
expr that is a polynomial in Subscript[x,_]. By this, I mean that expr
can be a sum/difference of terms (up to other ...
- asked by QuantumDot (2 votes)