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Abdullah Ali Sivas
  • Member for 3 years, 3 months
  • Last seen more than a month ago
4 votes

Is there a primitive Heronian triangle with two integer heights?

3 votes
Accepted

Difficult Counting Problem involving Conditions Without Replacement

2 votes
Accepted

Equating the spans of two sets of vectors

2 votes
Accepted

Direct sum factorization of polynomials

2 votes

How many possible paths

2 votes
Accepted

solve this equation for x : $27^x - 43^x -9^{(\frac{1}{2}+x)}=0$

2 votes

Why does $(I-A)$ has inverse when $\|A \| < 1$

2 votes

Stability of the Solution of $ {L}_{1} $ Regularized Least Squares (LASSO) Against Inclusion of Redundant Elements

2 votes
Accepted

MIT Open Linear Algebra Course - Block Matrix Question

1 vote

Solve (numerically) a second-order ODE

1 vote
Accepted

balls in boxes counting problem

1 vote
Accepted

Proving set implication

1 vote

If I have invertible matrices $A, B, C$, whats the inverse of $(A + BC)$

1 vote
Accepted

How to differentiate $f(w) = \sum\left[(w.\Omega w)^2\right]-\sum\left[w.\Omega w\right]^2$?

1 vote

If a matrix has eigenvalues with non-zero real parts, can the eigenvalues of its Schur complement be arbitrarily close to zero?

1 vote

Determining finitude or infinitude from a simple geometric construction

1 vote

Recursive sequence calculation

1 vote

find relative maximum in graph function

1 vote

Does simplex assumption make Exponentiated Gradient Method applicable only to a specific optimization problem?

0 votes

Prove that all points on the same side of a straight line yields only a positive or negative value.

0 votes

Prove that $\sec x \geq 1+\frac{x^2}{2}$ on $(-\frac\pi2,\frac\pi2)$.

0 votes

Construction of traingle when base, vertical angle and difference of base and one side is given

0 votes

Maximize $\cos(2x) - e^{3x}$

0 votes
Accepted

Proving numerical scheme inequality using mathematical induction

0 votes

If $f(x)$ is integrable, then $f(u(x,y))$ is also integrable?

-1 votes

How does one prove that $1$ is a limit point using the definition for $p \in (0,1)$ and some $r>0$, $B_r(x)= \{q \in X: d(x,y) <r\}$?