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Postcard: Zernike polynomial Z(8,4) white back Postcard
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Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
-$0.30
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Postcard: Zernike polynomial Z(8,4) white back Postcard
In 1933, Nobel Laureate Frits Zernike published a set of orthogonal polynomials designed to span the unit disc for the purpose of describing the aberrations of a circular mirror. Today these same polynomials are used to codify the imperfections in optical systems such as telescopes. Ophthalmologists and optometrists use them in wavefront guided vision correction. This postcard features the Zernike polynomial of order 8 and angular frequency 4, a complex valued function..
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By Heather D.20 September 2021 • Verified Purchase
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It was exactly like the pic on Zazzle. Size was good to write on the back. Image was great. Lovely colours and clear
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By Dash K.23 January 2024 • Verified Purchase
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I was pleased with the excellent quality of the calendar and the high quality of the card stock used. I will definitely order these postcards again. The printing was excellent. I was so pleased!
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By Lisa B.26 August 2019 • Verified Purchase
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Such a huge range of different frogs available, which made my choices very difficult and now the reason I have a whole draw full of cards and postcards! Much better quality than you can buy in the shops and they are exactly on the subject I love and adore too.
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Product ID: 239437585426779959
Posted on 14/06/2009, 1:03 PM
Rating: G
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