Logan Serman
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 Apr16 awarded Nice Question Jul2 awarded Curious Mar10 awarded Popular Question May11 awarded Popular Question Dec10 awarded Popular Question Sep19 awarded Yearling Aug28 awarded Nice Question Aug27 revised Finding the sample size given the 95% confidence interval bounds, standard error, and sample mean? edited title Aug27 revised Finding the sample size given the 95% confidence interval bounds, standard error, and sample mean? edited tags Aug27 asked Finding the sample size given the 95% confidence interval bounds, standard error, and sample mean? May4 accepted Derivation of finite difference schemes for a boundary value problem. Apr29 comment Derivation of finite difference schemes for a boundary value problem. Okay thanks. It does not specifically ask for a first order central difference, it just asks for "the central difference scheme for computing the numerical solution of the equation". Do you know what this means, exactly? Apr29 asked Derivation of finite difference schemes for a boundary value problem. Apr12 awarded Popular Question Feb2 accepted Simplifying $1 - x + x^2 - x^3 + … + x^{98} - x^{99}$ to an equivalent expression. Feb2 awarded Commentator Feb2 comment Simplifying $1 - x + x^2 - x^3 + … + x^{98} - x^{99}$ to an equivalent expression. I see, thank you. It has been a long time since I have worked with geometric series. Feb2 comment Simplifying $1 - x + x^2 - x^3 + … + x^{98} - x^{99}$ to an equivalent expression. So you are essentially just left with $1 - x^{100}/(1 + x)$? That is very convenient :) Feb2 asked Simplifying $1 - x + x^2 - x^3 + … + x^{98} - x^{99}$ to an equivalent expression. Dec12 accepted Find all real numbers $x$ such that $||x+1| - |3x - 1|| < 1$