Brush Strokes and Equations: The Mathematics Behind Art

December 1, 2023

Kevin Yacub

11th Grade

Tzu Chi Secondary School

Introduction

Although art and mathematics, two greatly contrasting elements, may seem to belong to different worlds, they are actually intricately intertwined. The apparent subjectivity of art and the objective nature of mathematics are not mutually exclusive but rather collaborate in profound ways. This synergy between art and mathematics has a rich historical presence, with artists often employing mathematical concepts consciously or unconsciously in their creative processes. This article delves into the significant areas where mathematics has exerted a profound influence on art; these areas include the Golden Ratio, perspective and proportion, anamorphic art, tessellations, polyhedra, fractals, and symmetry.



The Golden Ratio: A Mathematical Enigmatic Charm


The Golden Ratio, symbolized by the Greek letter Phi (Φ), stands as a mathematical constant, approximately 1.61803398875. This mathematical principle, widely evident in the natural world, has been skillfully harnessed by artists and architects across history due to its aesthetically pleasing attributes. Notable paintings such as “The Birth of Venus” by Italian Renaissance painter Sandro Botticelli and “The Great Wave off Kanagawa” by Japanese artist Hokusai showcase proportions aligned with the Golden Ratio, highlighting the timeless appeal of this mathematical concept. This ratio, believed to be the most pleasing to the human eye, has found application in diverse designs and artistic endeavors throughout history. Its presence can also be observed in the proportions of a regular pentagon and the dimensions of a perfect spiral, reflecting natural phenomena like leaf arrangement or sunflower seed patterns. Artists have employed the Golden Ratio to instill balance and harmonious proportions in their creations.

(Image Credit: Eva Schicker; Medium)

(Image Credit: Cleveland Design Interactive Branding)

Perspective and Proportion: The Renaissance Revolution


During the Renaissance, artists like Leonardo da Vinci and Piero della Francesca adeptly incorporated mathematical principles to introduce a sense of perspective, achieving an unprecedented level of realism in their works. Leonardo da Vinci's masterpiece, 'The Last Supper,' exemplifies the use of linear perspective, a geometric technique projecting the three-dimensional world onto a two-dimensional canvas through a network of orthogonal lines converging at a single vanishing point. This technique also inspired other artists to convey depth and three-dimensionality on a flat surface, revolutionizing the realm of visual art. Proportion, another mathematical concept, played a crucial role in attaining realistic depictions of the human form and other objects. Artists during the Renaissance era employed mathematical ratios to ensure the proportionality of various elements in their works, contributing to overall equilibrium and aesthetic harmony.

(Image Credit: Britannica)

Anamorphic Art: A Distorted Perspective


Anamorphic art is a captivating branch of visual art, where distorted projections or drawings, when viewed from specific angles or through designated devices, seem to have a normal appearance. This technique plays with the laws of perspective and scale, frequently crafting optical illusions that intrigue viewers. Anamorphic art traces its roots back to the Renaissance period when artists like Leonardo da Vinci employed this method to conceal hidden images within their works. Presently, anamorphic art is used in various settings, spanning street art to advertising, evoking a sense of wonder and amazement when viewed from the correct position– it challenges the typical perception of artwork and encourages viewers to see things from diverse viewpoints.

(Image Credit: Art By Alysia)

(Image Credit: Art By Alysia)

Tessellations: The Geometry of Repetition


Tessellations are rooted in mathematical principles. They rely on the properties of geometric shapes and transformations, making them a subject of interest for mathematicians. Tessellations encompass the utilization of geometric shapes to generate repetitive patterns without any gaps or overlaps. This technique, exemplified in the works of M.C. Escher imparts a sense of rhythm and motion, adding a distinctive aesthetic charm to artworks. Tessellations are also observed in nature, man-made structures, and artistic creations. They offer a means of covering a surface with a pattern, void of gaps or overlaps to craft intricate and elaborate designs, often exuding a sense of movement and rhythm. They can also create optical illusions, where the recurring pattern can deceive the eye into perceiving three-dimensional forms or motion.

(Image Credit: The M.C. Escher Company B.V.)

(Image Credit: Esther Quantum; Medium)

Polyhedra: The Marvel of Three-Dimensional Shapes


Polyhedra, the three-dimensional counterparts of polygons, have found a place in art across diverse cultures and centuries. Among the most renowned are the five Platonic solids, characterized by faces that are congruent, regular, and convex polygons. Polyhedra models serve as tangible three-dimensional proofs of geometric theories and can serve as central pieces, tree toppers, holiday decorations, or symbols. For instance, the Merkaba religious symbol represents a stellated octahedron. Modern artists such as Pablo Picasso and Salvador Dali have incorporated polyhedra shapes into their works. Aside from being objects of aesthetic interest, they are also essential elements in mathematics. They have been studied for centuries, leading to advancements in geometry, topology, and graph theory.

Fractals: The Intersection of Mathematics and Digital Art


With the advent of computers, a new mathematical concept was introduced to the world of art: fractals. Fractals are geometric shapes where each part shares the same statistical character as the whole, displaying self-similarity. They provide a new way to explore mathematical concepts, especially those related to chaos theory and iterative processes. They also further challenge traditional Euclidean geometry and offer a more accurate way to describe complex, irregular, and self-replicating patterns in nature. For instance, the renowned fractal of the Mandelbrot Set has inspired numerous digital artworks due to its infinite complexity. Fractals have been instrumental in creating realistic computer-generated imagery (CGI) in films and video games, offering accurate representations of natural elements like mountains, clouds, and trees.

(Image Credit: Britannica)

(Image Credit: Faraz Khan)

Symmetry: The Balance in Art and Mathematics


Symmetry, a fundamental mathematical concept, plays a pivotal role in the world of art. Symmetrical patterns, whether they are reflective, rotational, or translational, convey a sense of equilibrium and harmony, rendering them visually appealing. From the intricate designs of Islamic art to the balanced compositions of Renaissance paintings, symmetry stands as a key element in the aesthetic allure of artworks. This symmetry often mirrors natural patterns, contributing to the perception of natural beauty.

Conclusion


The interplay between art and mathematics is indisputable. Mathematics, in its various manifestations in art, serves as an indispensable tool in the artist's toolkit, facilitating the creation of balanced compositions, realistic perspectives, intricate patterns, and captivating optical illusions. Therefore, the next time you find yourself admiring a work of art, take a moment to reflect on the mathematical principles at work behind the brush strokes and equations, enriching the artistic experience.

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