Fourierseries

AllesGIF’sPlakkersMeems
a graph showing the approximation of a series of fourier for n = 5
a blue and red swirl with the letters x and y on the bottom
a computer generated image of a circle with a grid pattern
a black background with a circle , a spiral , and a heartbeat .
a black background with fourier transforms written on the top
a drawing of a circle and a line with 4 sin written on it
a man is wearing a power rangers shirt that says " cash only "
a man drinking from a cup with the words good morning written in the background
a man in a blue shirt and shorts is standing in a room with other people .