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Rating Stats for

Daniel Lichtblau

Rating
1587.28 (2,485th) 		Reputation
6,634 (24,349th)
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Title Δ
ConvexHull in Graphics - Mathematica -3.16
Weird behaviour with GroebnerBasis in v7 +3.20
In Mathematica, how to simplify expressions like a == +/- b into a^... +3.51
FindRoot vs Solve, NSolve and Reduce +0.82
Assumptions in Mathematica's NullSpace Command for Symbolic Matrices +4.02
Mathematica Reduce/Solve: Best way to ask for non-repeating values +1.12
How to perform a complicated change of variables for a polynomial (... 0.00
What is the simplest way to constraint a built-in function's output... -4.40
Function minimization with equality constraints in Mathematica 8 +3.32
Utility to extract variables from an expression +3.33
Using uncertainty accuracy +3.31
Optimally picking one element from each list -3.98
Finding the Fixed Points of an Iterative Map +3.78
Function of a function +3.69
a very strange question in mathematica +3.31
Subscripted variables -3.10
Techniques for Minimization over Integers -0.57
Mathematica execution-time bug: symbol names +3.45
Get branch points of equation +1.72
a special Tally function in mathematica +4.17
Efficient way to pick/delete a list of rows/columns in a matrix in... -3.73
Using Fold to calculate the result of linear recurrence relying on... +0.04
File Input output in Mathematica -2.96
List/matrix of coefficients equation (system of equations) -4.13
Quadratic programming in Mathematica +1.81
how to animate 3d plot given a rotation axis in mathematics -1.15
string validation in Mathematica +3.53
Generating Random Non-Singular Integer Matrices -0.96
Get matrix from textfile in Mathematica -0.62
Mathematica "linked lists" and performance +4.12
is mathematica able to do some planar geometry plotting +1.34
How to ask mathematica to compute higher order derivatives evaluate... +4.15
A variation of IntegerPartition? +1.46
How to reduce the number of independent variables in mathematica 0.00
How to calculate and plot instantaneous phase in Mathematica +3.71
Correct use of Simplify in Mathematica (with multiphase trig) +3.73
Mathematica: subscript simplification under noncommutative multipli... -0.04
How to expand the arithematics of differential operators in mathema... 0.00
Formatting numbers when writing to files in Mathematica +4.16
Mathematica internal number formats and precision 0.00
Maxima crashes on relatively simple integral +3.83
Map (/@) behavior +4.60
Replace expressions with their names in Mathematica +4.44
Find intersection of 2 curves & area under a curve to the right... 0.00
Compute the arithmetic functions for large integer in Mathematica f... +4.01
Minimize variance "intuitively" +0.02
in a nested list how to test whether a given indexing sequence is v... +2.19
How do you solve for the positive roots of a function and graph the... -3.78
Mathematica: branch points for real roots of polynomial +4.35