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May
27
comment Multivariable Integrate
You need to invert the integrations.
May
25
awarded  Nice Answer
May
24
comment Map with multiple arguments
Have a look at Sequence.
May
21
comment Minimize method is not giving minimum. Why?
You will have a better chance by reducing your problem to 1D; replace y with Sqrt[1-x^2] with the constraint -1<=x<=1 (your Cost function depends only on y^2 anyways).
May
21
comment Does the equation have two roots?
Why not substitute the two values back in the equation and see if you get zero ?
May
19
awarded  Enlightened
May
19
awarded  Nice Answer
May
15
comment Extract coefficient matrix $A$ from expression $f(x)$
Please post Mathematica code.
May
2
comment Computing a recurrence table backward
Try aux = RecurrenceTable[{a[n - 1] == 3 a[n], a[1] == x}, a, {n, 1, 10}]; aux /. Solve[Last[aux] == 7, x].
May
2
comment Computing a recurrence table backward
You could do a forward recurrence with a[1]==x and then solve for x at the end.
Apr
30
revised Double improper integral
deleted 60 characters in body
Apr
30
answered Double improper integral
Apr
29
comment Difficulty in getting correct Gaussian curve for diffusion of point source
Your InitComp parameter is never used. The factor 500 is 100/0.2.
Apr
28
comment How to make sure input is an ODE
For starters, you are trying to sole an equation numerically but some constants are not defined and you're missing the initial conditions.
Apr
28
revised How to make sure input is an ODE
added 68 characters in body
Apr
25
comment Possible bug of Exporting as HTMLFragment at Linux
I get your correct result on 10.1 and Fedora.
Apr
25
comment Package for symbolic computation of christoffel symbols and parallel transports in Riemannian geometry, given the metric
Maybe 8895 will help.
Apr
22
comment How to get free-form linguistic input to act on a previous output?
May I add to your questions : has anyone managed to use free-form input on user defined variables and functions ? Something like mylist={1, 2, 3} and then = average of mylist ?
Apr
21
comment No connection to WoframAlpha with v10.1
It works for me with 10.1.0 on Windows 7 64-bit.
Apr
18
comment Construct single InterpolatingFunction from a mathematical combination of other IF's
I think that after defining g with Set (=, as you do), you can safely Remove[f] without affecting g.