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Apr
14
comment Export a plot to Excel
Possible duplicate of Plot, extract data to a file
Apr
14
reviewed Close Why does ContourPlot refuse to draw all 4 quadrants whenever fractional powers are in the implicit function?
Apr
14
comment Why does ContourPlot refuse to draw all 4 quadrants whenever fractional powers are in the implicit function?
Possible duplicate of Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)
Apr
14
reviewed Leave Open Solving coupled eigenvalue differential equations
Apr
14
comment Integrate boundaries defined as equations
As mentioned by @Dr.belisarius , what's incorrect here is the original text. (Or at least it has followed a very uncommon rule for the order of integration variables.) Anyway, Abs[r12 - r13], r12 + r13 can only be bounds of r23.
Apr
14
comment triple NIntegrate fails
I think kB represents Boltzmann constant? If so, why it's 0.001872041?
Apr
14
comment NIntegrate crashes without error message when using high precision integrand with non-zero tailing digits
Works fine in v9.0.1. Have you reported this to WRI?
Apr
14
revised NIntegrate crashes without error message when using high precision integrand with non-zero tailing digits
Correct a typo
Apr
12
revised How to find the pole of a equation where the residue exist?
added 134 characters in body
Apr
11
revised Compute inverse Laplace transform with Integrate
added 2 characters in body
Apr
11
comment Possible Bug in LinearSolveFunction with Sparse Vectors
Also reproduces in v8.0.4 and v9.0.1, win10 64bit.
Apr
9
comment Compute inverse Laplace transform with Integrate
@J.M. Yeah, exactly.
Apr
9
reviewed Approve Differential equation
Apr
9
reviewed Approve Why is Cos[Abs[x]] Fourier transformed to 0 in mathematica?
Apr
9
revised Compute inverse Laplace transform with Integrate
deleted 122 characters in body; edited title
Apr
9
awarded  Nice Answer
Apr
6
reviewed Close Manipulate Listplot of table
Apr
6
reviewed Close Partial Function Evaluation
Apr
6
reviewed Leave Open Calculation of the mean of array data points lying under a predefined rectangle
Apr
3
comment Solve non-linear system of 16 equations
You need a space between variables to represent the multiplication e.g. k o rather than ko.