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2d
reviewed Approve Discretization of nonlinear system for using extend Kalman filter in python
2d
reviewed Approve sum of dependent random variables:
2d
reviewed Approve Prove that if $\gcd(a,b)=1$ and $a|mb$ then $a|m$.
2d
reviewed Approve How many ways are there to distribute 26 identical balls into six distinct boxes such that…
2d
reviewed Reject probability functions
2d
reviewed Approve Periodic point of dynamical system
2d
reviewed Reject Show that there is odd number of elements of a finite group satisfying $x^3=e$
2d
reviewed Reject If a student is selected at random and is found to be taller than $1.8~\text{m}$, what is the probability that the student is a girl?
2d
reviewed Approve What is an axiom in layman's terms?
2d
reviewed Reject Computing a Green's function - where did I go wrong?
2d
reviewed Approve If $x$, $y$, $z$ are unequal positive quantities, then show that $(1+xyz)^3\geq (1+y^3)(1+z^3)(1+x^3) $
2d
reviewed Reject Are 0 and -1 the only rational periodic solutions of $z_{n}\equiv z_{n-1}^{2}+c$?
2d
reviewed Approve Sufficient Estimator How to proceed?
2d
reviewed Approve Let $5 \leq k < n$. Then $2k$ divides $n(n - 1)… (n - k + 1)$. What should I use permutations or polynomials?
2d
revised Is $\operatorname{Mat}(2,\mathbb{R})$ isomorphic to $\operatorname{Mat}(3,\mathbb{R})$?
improved explanation
2d
reviewed Approve Is $\operatorname{Mat}(2,\mathbb{R})$ isomorphic to $\operatorname{Mat}(3,\mathbb{R})$?
2d
reviewed Approve Parametric equations in rectangular form
May
2
reviewed Approve Which of the following is defined for all real numbers? (trig functions)
May
2
reviewed Approve Revolve around x-axis
May
2
reviewed Approve ODE's with Trigonometry functions