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Tarek's user avatar
Tarek
  • Member for 12 years, 9 months
  • Last seen more than a week ago
11 votes
3 answers
19k views

Cross product in complex vector spaces

5 votes
3 answers
5k views

The number of ones in a binary representation of an integer

4 votes
4 answers
5k views

Integral of Hermite polynomial multiplied by $\exp(-x^2/2)$

3 votes
1 answer
698 views

Generating random commuting hermitian matrices

3 votes
0 answers
91 views

When can the commutator of two matrices be neglected in series expansions?

2 votes
1 answer
716 views

An inverse definite integral problem

2 votes
1 answer
2k views

Decomposition of a symmetric matrix into multiplication of two vectors

2 votes
2 answers
2k views

Left eigenvectors of a complex nonsymmetric matrix and the diagonalization transformation

2 votes
2 answers
5k views

When is the product of a diagonal matrix and a symmetric matrix symmetric?

1 vote
1 answer
311 views

Transfer function for amplitude modulation

1 vote
1 answer
44 views

Replacing a vector in an outer product by another one

1 vote
1 answer
191 views

The permutation group corresponding to translations in three direction on a discrete lattice

1 vote
1 answer
1k views

power series expansion of the square root of a Hermitian matrix

1 vote
1 answer
292 views

Reformulating a problem of solving a system of linear equations

1 vote
0 answers
79 views

Functions generating prime numbers in math packages

1 vote
1 answer
136 views

Looking for the functions $\alpha_n(x)$ that satisfy $\sum_{n=0}^{\infty} e^{i \alpha_n(x)}\frac{H_n(x)}{\sqrt{2^n n!}}=0$

1 vote
0 answers
45 views

Relations between complex functions satisfying a specific condition

1 vote
1 answer
109 views

differential equation of the square root of a matrix

0 votes
1 answer
152 views

Constrained variational calculus: Are we allowed to make use of the constraint before taking variations?

0 votes
1 answer
133 views

Solution of a system of second order algebraic equations in complex numbers

0 votes
1 answer
250 views

Numerical software to solve partial differential equations in spherical coordinates?

0 votes
0 answers
32 views

Finding the most compact basis to represent a two-dimensional function

0 votes
0 answers
65 views

Extrapolating the sequence of derivatives of an analytic function

0 votes
1 answer
178 views

Solving a linear system having an unknown matrix