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Apr
26
reviewed No Action Needed weakly non linear analysis of Swift-Hohenberg equation:
Apr
16
reviewed Reviewed What is variance intutively? and is there a math proof for variance ? how is variance and covarience related
Apr
15
reviewed No Action Needed What is the name of the approximation $ \left(1-\frac{1}{x}\right)^n \approx e^{-n/x} $?
Apr
15
reviewed Reviewed How to calculate a heart?
Apr
14
reviewed Reviewed Proving that a Galois group is cyclic
Apr
13
awarded  Altruist
Apr
12
answered What determines the values of $\epsilon$ and $\delta$ in the definition of continuity?
Apr
12
awarded  Investor
Apr
4
reviewed Reviewed Find maximum without calculus
Apr
4
reviewed Reviewed show if $A = B \oplus C$ then $B\cap C = \{0\}$
Apr
4
awarded  Reviewer
Apr
4
reviewed No Action Needed Question about $\min(a,b)$ as a notation
Apr
4
reviewed Reviewed AB and BA have identical nonsingular Jordan blocks
Apr
3
reviewed Reviewed Simple roots of a polynomial are smooth functions with respect to the coefficients
Apr
3
comment Simple roots of a polynomial are smooth functions with respect to the coefficients
Usually It is customary to start by showing some work or your thoughts on the problem.
Mar
29
reviewed Reviewed Find the absolute maximum and absolute minimum values of $f(x) = ln(x^2 + 7x + 15)$ on the interval $[-4,1]$
Mar
28
reviewed Reviewed Parameter estimation - Holt's Two parameter Linear Exponential Smoothing
Mar
28
reviewed No Action Needed Get rate from Future Value of Annuity
Mar
23
reviewed No Action Needed How to prove the Caratheodory outer measure is a measure on σ-field and is unique
Mar
22
reviewed No Action Needed $\sum_n |x_n||y_n| < \infty$ for all $(x_n) \in l^3$ implies $(y_n) \in l^{3/2}$