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visits member for 2 years, 11 months
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Dec
17
revised Computing with matrix differential operators
Modified to deal with sums that aren
Dec
15
revised Fullsimplify does not simplify Abs'[1.-a]
Include delta function
Dec
7
revised Evaluating the real part of an expression
typo in title
Dec
5
revised plot without labeling in Mathematica
ImagePadding method
Dec
5
revised Unknown function with arbitrary arguments assumption
Explained choice of replacement
Dec
5
revised Unknown function with arbitrary arguments assumption
deleted 79 characters in body
Dec
5
revised Unknown function with arbitrary arguments assumption
Changed condition to disallow equality to zero
Dec
1
revised How do we solve an equation for a product?
explanation added.
Nov
25
revised Composition of Multivariable function
formatting
Nov
21
revised Animation of double pendulum
Added trace
Nov
20
revised Find eigen energies of time-independent Schrödinger equation
Make compatible with version 8
Oct
30
revised How do I display the parameter value in animate, similar to how it's done in manipulate?
Formatting, missing var.
Oct
29
revised Phase portrait on a cylinder
Transparency added
Oct
29
revised Phase portrait on a cylinder
Transparency added
Oct
23
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
physics tag added
Oct
23
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
Added reverse steps from matrices back to symbols
Oct
22
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
Different definition with the same properties used. Gives different result.
Oct
22
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
Motivation
Oct
22
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
copied wrong defininitions
Oct
22
revised Pull out scalars from NonCommutativeMultiply in commutator of SU2 spin algebra
Error copying equation