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 Apr 13 answered Does the Markov Blanket of a node include the node itself? Nov 23 awarded Good Answer Nov 3 revised Difficulty level of Courant's book grammar Oct 28 awarded Popular Question Oct 22 awarded Nice Answer Oct 9 awarded Yearling Oct 4 comment Is a path homotopy equivalence class a path component? Can you define more what $\Omega$ is? Oct 4 comment What is the geometric interpretation of the leading coefficient in a quadratic equation? No. The interpretation of $a$ geometrically is that it impacts the curvature. As far as I know, there is no name which specifically refers to $a$ and also reflects this geometric meaning. If there is one, it would be sufficiently obscure to be relatively useless. Oct 4 comment What is the geometric interpretation of the leading coefficient in a quadratic equation? The sign is the same as the sign of a, so it still determines convexity vs concavity. The number a is directly proportional to the second derivative, so the magnitude directly impacts the curvature as well, and this is the geometric meaning of it. If you're asking for a "name" for a alone, you can call it the leading coefficient (assuming you've written the equation down) or the coefficient of the highest term. Oct 4 answered What (previously and currently unsolved) problems motivate the study/development of analysis? Oct 4 answered What is the geometric interpretation of the leading coefficient in a quadratic equation? Sep 6 comment Asymptotic behavior of $1/\ln n$ and $e^x-1$ What is the definition of big O that you are using? Normally, this is defined with the limit of a ratio, and this should be a useful way to proceed in both questions. Dec 3 comment Find a value for a number to the power of a complex number Some context would be helpful here in order to present an answer which would most likely agree with your background. Was this a question which came up in a class? If so, what subject? Oct 16 answered Proving Multivairble Limit Exists Oct 13 comment Black-Scholes equation Agreed, I got the same result. Oct 9 awarded Yearling Sep 30 awarded Explainer Jul 18 revised How to calculate the number of lattice points in the interior and on the boundary of these figures with vertices as lattice points? edited body Jul 4 comment How to calculate the number of lattice points in the interior and on the boundary of these figures with vertices as lattice points? @SaaqibMahmuud Which part do you have questions about? Do you understand how to find out how many lattice points are on a line between two specified ones? Jul 2 awarded Curious