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$100.60
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JOSEPH FOURIER AND FOURIER SERIES CUSHION

Qty:
Throw Cushion 50.8 x 50.8 cm
-$20.65
-$33.05

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Size: Throw Cushion 50.8 x 50.8 cm

Accent your home with custom cushions from Zazzle and make yourself the envy of the neighbourhood. Made from high-quality Simplex knit fabric, these 100% polyester cushions are soft and wrinkle-free. The heavyweight stretch material provides beautiful colour definition for your design while also being the perfect complement to your sofa!

  • Dimensions: 50.8 cm x 50.8 cm (square)
  • Simplex knit fabric; 100% polyester; wrinkle-free
  • Hidden zipper enclosure; synthetic-filled insert included
  • Machine washable
  • Made in the USA
Creator Tip: To ensure the highest quality print, please note that this product’s customisable design area measures 50.8 cm x 50.8 cm (20" x 20"). For best results please add 1.27 cm (0.5") bleed..

About This Design

JOSEPH FOURIER AND FOURIER SERIES CUSHION

JOSEPH FOURIER AND FOURIER SERIES CUSHION

Joseph Fourier Fourier analysis – a term named after the French mathematician Joseph Fourier, is the process of breaking down a complex function and expressing it as a combination of simpler functions. The opposite process of combining simpler functions to reconstruct the complex function is termed as Fourier Synthesis. Mostly, the simpler functions are chosen to be sine and cosine functions. Thus, the term “Fourier analysis” expresses a complex function in terms of sine and cosine terms and the term “Fourier Analysis” reconstructs the complex function from the sine and cosine terms. Frequency is the measure of number of repetitive occurrences of a particular event. By definition, a sine wave is a smooth curve that repeats at a certain frequency. Thus, the term “frequency” and sine are almost synonymous. A cosine wave is also a sine wave but with 90* phase shift. Therefore, when you talk about sine and cosine functions, you are taking in terms of “frequencies”. That is why in signal processing, the Fourier analysis is applied in frequency (or spectrum) analysis. Fourier series: Applied on functions that are periodic. A periodic function is broken down and expressed in terms of sine and cosine terms. In mathematics, the term “series” represents a sum of sequence of numbers. For example we can make a series with a sequence of numbers that follows Geometric Progression (common ratio between the numbers).

Customer Reviews

4.8 out of 5 stars rating7K Total Reviews
6101 total 5-star reviews695 total 4-star reviews140 total 3-star reviews52 total 2-star reviews56 total 1-star reviews
7,044 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jennifer H.30 January 2019Verified Purchase
Throw Cushion, Throw Cushion 40.6 x 40.6 cm
Zazzle Reviewer Program
I recently updated a room to reflect the blue hydrangeas outside the window and to create a more peaceful feeling in the room. All the cushions exceeded my expectations with the colours being true to the photos and the workmanship is superb. Excellent speedy delivery and customer service too. I highly recommend Zazzle. Perfect and exactly as shown in the website.
5 out of 5 stars rating
By Malisa K.23 January 2019Verified Purchase
Throw Cushion, Throw Cushion 40.6 x 40.6 cm
Zazzle Reviewer Program
Excellent quality, strong fabric and arrived here earlier than expected . Living in the South Pacific I was worried it wouldnt get here in time. Love it! The design, colours and words were just as I expected. Very bold, clear and beautiful. The printing of one of the letters was a bit blurry but hardly noticeable. Love this product!
5 out of 5 stars rating
By Karen G.2 September 2015Verified Purchase
Throw Cushion, Throw Cushion 40.6 x 40.6 cm
Zazzle Reviewer Program
This is one of the most comfortable throw pillows I have ever had. It is so incredibly soft. Everyone in the family fights over who gets to use it, even the dog. Most of the other pillows end up on the floor when she gets on the couch but not this one. She loves it too! The photos turned out great on this pillow. I'd definitely purchase another one.
from zazzle.com (US)

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Other Info

Product ID: 189800434681169552
Posted on 25/07/2014, 12:55 PM
Rating: G