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Apr
15
revised How do I plot a filled cylinder in 3D?
deleted 48 characters in body
Apr
10
comment Integration over a convex combination of a region: $\int_{\Omega} (w_1 z_1 + w_2 z_2)^{1-\sigma} d (z_1, z_2)$ where $\Omega = \{ z_1 + z_2 = 1\}$
@TimothyWofford would you mind adding a working example please?
Apr
10
comment Integration over a convex combination of a region: $\int_{\Omega} (w_1 z_1 + w_2 z_2)^{1-\sigma} d (z_1, z_2)$ where $\Omega = \{ z_1 + z_2 = 1\}$
@TimothyWofford Could you please complete your answer with a definition for line? Regards.
Apr
10
revised Integration over a convex combination of a region: $\int_{\Omega} (w_1 z_1 + w_2 z_2)^{1-\sigma} d (z_1, z_2)$ where $\Omega = \{ z_1 + z_2 = 1\}$
added 2 characters in body
Apr
10
revised Lie-Bracket of two vector fields
added 63 characters in body
Apr
10
comment It is possible to calculate a two vector integral
NIntegrate[ h[x, y, z, w], {x, 0, 60}, {y, 0, 60}, {z, 0, 60}, {w, 0, 60}, PrecisionGoal -> 20] seems to yield the same result without error warning…?
Apr
10
revised It is possible to calculate a two vector integral
deleted 42 characters in body
Apr
9
comment ? (Definition) versus ?? (Information)
try this
Apr
9
revised Region bounded by Ellipse and Line
added 52 characters in body; edited title
Apr
9
revised Difference between Log and Log10
edited title
Apr
9
comment Difference between Log and Log10
or Log10 [Sqrt[x^2 + y^2]]
Apr
8
comment Mathematica does not help in this integral
I get this: !Mathematica graphics mathematica 10.0.2
Apr
8
revised Mathematica does not help in this integral
deleted 66 characters in body
Apr
8
revised Problem with infinite sum
added 6 characters in body
Apr
8
revised Problem with infinite sum
deleted 20 characters in body
Apr
7
reviewed Approve Finding the minimum vertex cut of a graph
Apr
6
comment Plotting a 4dimensional spherical function In mathematica
related mathematica.stackexchange.com/q/19575/1089 or mathematica.stackexchange.com/q/25078/1089 and mathematica.stackexchange.com/q/25516/1089
Apr
6
comment NDSolve solving problem
This works for instance NDSolve[{(x/(1 + x)) D[y[x], {x, 2}] + ((2 x + 1)/(1 + x)^2) D[ y[x], {x, 1}] == 1/(3 Sqrt[y[x]]), y[1] == 1, y'[1] == 0}, y, {x, 1, 2}]
Apr
6
comment NDSolve solving problem
Also at 'x=0' the factor is front of y''[x] is null so this is a nasty ODE
Apr
6
revised NDSolve solving problem
added 29 characters in body; edited title