Pringoooals

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 12 given positive real numbers x,y how to demonstrate that is defined as the maximum of x and y? 5 Matrices and rank inequality 4 Mathematics textbooks with history and/or motivation? 4 Asymptotic expansions for the roots of $\epsilon^2x^4-\epsilon x^3-2x^2+2=0$ 3 Reference book for “Dynamical Systems”

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 +2 How prove $A^2=0$,if $AB-BA=A$ +70 Mathematics textbooks with history and/or motivation? +115 Matrices and rank inequality +10 Oops, $y^2=2x^2+C$ is not the same as $y=\sqrt{2x^2}+C$

5 Questions

 5 Proof that $J_{\nu}(x) \sim (x/2)^\nu / \Gamma(\nu+1) \; \text{as} \; \nu \rightarrow \infty$ 3 Asymptotic expansion of $\int\limits_0^{\pi / 2} {e^{ix\cos t}}dt$ 3 Why is it true that $\int_0^\pi \! \sin(z\cos\theta) (\sin\theta)^{2\nu} \, d\theta = 0$? 3 Jacobian of a Composition involving a Linear Transformation 0 Describing a set using linear inequalities

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 14 calculus × 2 5 numerical-linear-algebra × 5 10 matrices × 5 5 numerical-methods × 5 7 differential-equations × 5 5 matrix-rank 7 linear-algebra × 4 4 asymptotics × 3 6 reference-request × 4 4 polynomials

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