Questions tagged [euler]

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Where did Euler derive the wave equation in 3d?

Wikipedia claims that Euler was the first do derive the wave equation in 3d. In which of his writings can I find this?
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Seven bridges of Königsberg - did people know that it was impossible? [duplicate]

I'm not sure if this is the most suitable site for the question. Please feel free to modify or move my post! I have heard that people really walked a lot in Königsberg, trying to solve that seven ...
6
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Euler's Derivation of Euler's Method for ODEs

I am looking for an English translation of Euler's derivation of Euler's method for ODEs, namely the update $$ y_{n+1} = y_n + h f(y_n, t_n) $$ What motivated Euler to consider this problem, and how ...
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What's that on Euler's head? Does the head covering shown in Emanuel Handmann 1753 painting signify scholarship?

This may be borderline off-topic but this is the only place that I can think of ask this particular question. I've always seen images of Leonhard Euler with a "hat" or head covering that is ...
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Clairaut's proposed correction (reported as “D'Alembert's, Clairaut's and Euler's corrections”) to the Newtonian inverse-square law of gravity

From A.P. Yushkevich, "Leonhard Euler, his life and work", in "Development of Leonhard Euler's ideas and contemporary science", Nauka, Moscow, 1988, 15--46 (translation from Russian is mine): "One ...