It is interesting for us to see heart-like mathematical shapes. We can introduce an unlimited number of heart curves using basic functions. For instance, the cardioid is a historical example of a heart-shaped curve. Below are five heart-like images which I've created by trigonometric functions. I believe mathematics is an international culture. Therefore, I think mathematics can help us to promote love between nations.
Heart (2,500 Ellipses)
Heart (Curve)
Heart (2,500 Circles)
Heart (9,501 Squares)
Heart (901 Line Segments)
See more images at: mathematics.culturalspot.org & http://www.ams.org/mathimagery/thumbnails.php?album=40.
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