Mathematics
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XavierStuvw

Proficiency, competence and ambitions of an educated layman, interested in much, expert in little

Some experience with programming in FORTRAN, Matlab, Python and R. Using Linux since 2014 and committed to it

I like it when a computer does what I want. It's a creative accomplishment where knowing what I want and wanting what I know come together

Happy to help and to be corrected

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  • Member for 3 years, 4 months
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  • Last seen Aug 31 at 18:58

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2 Definition of order of magnitude for a number Aug 1 '17
2 Derive a field from gradient expression that is linear in the field variable, $\textrm{grad}\,F \propto aF$ Aug 7
2 How do you explain to a 5th grader why division by zero is meaningless? Aug 16 '18
2 Inequality bewteen integral of a squared function and the square of the integrated function May 13 '17
2 Viscous Burgers' equation with a coefficient to the nonlinear term Jul 12 '17
1 In-line writing of a function and of a particular value of it Jul 23 '17
1 Finding the rotation matrix $R$ in a product $A = R B R^{-1}$, knowing $A$ and $B$ Jul 3 '19
1 Expressing time derivatives of unit vectors as cross products: validity in any reference frame Jul 29 '19
1 Sorted eigenvalues decay with a nice law: is this a coincidence? Dec 16 '19
0 Why is Euler's number $2.71828$ and not anything else? Jan 29 '19
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