JanDW / wildpeaches

Mind-sized STEM ideas and experiments blog, beyond the textbook.
https://wildpeaches.xyz
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A Gauss-like summation #161

Closed XerxesZorgon closed 2 years ago

XerxesZorgon commented 2 years ago

A formula for the total sum of all possible pairs of the first n non-negative integers.

github-actions[bot] commented 2 years ago

Images automagically compressed by Calibre's image-actions

Compression reduced images by 50.6%, saving 991.22 KB.

Filename Before After Improvement Visual comparison
src/assets/img/the-sum-of-the-sum-of-some-numbers/avoid-train-wreck.png 110.33 KB 103.99 KB -5.7% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/Carl_Friedrich_Gauss_1840_by_Jensen.jpg 1.22 MB 312.21 KB -75.1% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/Niels-Henrik-Abel.jpg 16.85 KB 15.09 KB -10.4% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/sum-of-squares-4.png 80.15 KB 72.85 KB -9.1% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/sum-of-squares-5.png 76.87 KB 65.42 KB -14.9% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/sum-of-squares-6.png 38.44 KB 34.00 KB -11.5% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/sum-of-squares1.png 22.83 KB 21.07 KB -7.7% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/sumofsquares2.png 15.48 KB 9.96 KB -35.7% View diff
src/assets/img/the-sum-of-the-sum-of-some-numbers/tiles.png 347.03 KB 334.99 KB -3.5% View diff

180 images did not require optimisation.