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May
23
revised Why a particular type of definition for increasing sequence is chosen?
Changed >= into \geq
May
23
reviewed No Action Needed Argument of complex number $(\tan \theta)$
May
23
awarded  Citizen Patrol
May
23
reviewed No Action Needed Difference between $A \equiv B \pmod {n}$ and $A \pmod {n}$
May
23
revised How to solve $12-\sin(\theta)=\cos(2\theta)$?
Typos and errors in TeX
May
23
reviewed No Action Needed Translating a sentence into predicate logic
May
23
awarded  Custodian
May
23
reviewed Reviewed Integral and derivative
May
23
reviewed No Action Needed Divisibility of numbers
May
23
suggested approved edit on How to solve $12-\sin(\theta)=\cos(2\theta)$?
May
23
suggested approved edit on Why a particular type of definition for increasing sequence is chosen?
May
22
comment Solving constrained linear programming problem
The question is not very clear in my opinion. Is the minimization problem with respect to $k_i$'s? In that case you have indeed an LP of the form: $$ \min_{\{k_i\}_{i\in I}} \sum_{{i\in I}}{\alpha_i k_i} $$ But, in general, I think you should explain the problem better.
May
22
revised liminf in terms of the point-to-set distance
Very important clarification
May
21
revised Condition for all derivatives to be L-Lipschitz
Equivalent question added
May
21
comment How to calculate the exponential of a matrix?
You may take a look at cs.cornell.edu/cv/researchpdf/19ways+.pdf where, in my opinion, it is very well explained.
May
21
comment can you help me to solve this equation in antural numbers set?
Maybe I haven't understood the question very well, but to me it looks like an exponential Diophantine equation.
May
21
comment Solving linear equation for low rank matrices
At least in model order reduction, $\bar{A}$ is sought to be a matrix of lower dimension altogether. In that case, which seems to me to be equivalent to your case, I would recommend the article: S. Lall and C. Beck, "Error-Bounds for Balanced Model-Reduction of Linear Time-Varying Systems," IEEE Transactions on Automatic Control 48(6), 2003.
May
21
comment can you help me to solve this equation in antural numbers set?
This is a Diophantine equation; see en.wikipedia.org/wiki/Diophantine_equation
May
21
asked Condition for all derivatives to be L-Lipschitz
Dec
28
awarded  Yearling