Daniel Șuteu
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Representing integers as a sum of two squares
Almost 400 years ago,  Pierre de Fermat  stated that every odd prime of the form `4k+1` can be expressed as the sum of two squares: `p = x^2 + y^2` with integers `x` and `y`, if and only if `p ≡ 1 mod 4` Later on, around the year 1747, Leonhard Euler was ab...
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Representing integers as a difference of two squares
Most integers can be represented as the difference of two squares, where each square is a non-negative integer. Algebraically speaking: `n = x^2 - y^2` for some non-negative integers `x` and `y`. In this blog post we're going to look at a simple and elegant...
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Various representations for famous mathematical constants
In this unusual post, much like in the older post,  The beauty of Infinity , we're listing the most famous mathematical constants as representations of  infinite series ,  infinite products  and limits . The list of constants considered in this post, are: A...
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Umbrele dorințelor
Universul vesel, roșu. Sângeriu. Cu-n cer purpuriu ce ceartă. E în flăcări iarna noastră, Și mă-mbrac în verde veșted, Monoton. Brațe calde. Vreau să fiu! Tremur tot. Tu să-mi cânți dorința-n versuri! Cam tăcut, cutreierând nevinovat aceleași sensuri. Fugin...
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Singur pe barcă
Dulce trist. Nu mă iubi! Sunt plin de praf. Culoare caldă. Tu să-mi pui sare pe rană! Idealu-i cam pretext; să pice! Dorința-i vagă; dama-n râs de pică, Omidă-n carne. Carnaval. Matinalu-i alb. Nu mai pot să fug desculț. Am barcă. Tăcerea mea-i pe stradă. D...
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Thoughts on programming language notations
Some posts ago, we looked at what it's required in creating a new programming language . In this post we're going a little bit more into it, trying to find ways to effectively express meanings in natural ways, similar to what we can express in a natural lan...
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Bacovia: a new symbolic math library
Named after the great symbolist poet, George Bacovia , I created this new library to symbolically manipulate mathematical relations in a very simple and elegant way. Before writing a symbolic math library, this was a pretty mysterious subject to me, but in ...
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Frog jumping solutions for each value of n in the range [14, 40].