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Fourier Series Derivation and Examples
2 students

Fourier Series Derivation and Examples

Understand Fourier Series step-by-step with full explanations, proofs, and solved examples.
Created byMelih D.
Last updated 6/2025
English

What you'll learn

  • Grasp the fundamental theory and proof behind Fourier series, including their mathematical foundation.
  • Compute Fourier series coefficients for various types of periodic functions, including continuous and piecewise-defined functions.
  • Analyze and construct the Fourier series representation of complex waveforms, such as square waves.
  • Develop step-by-step solutions for Fourier series expansions, enhancing problem-solving and analytical skills.

Course content

5 sections • 5 lectures • 3h 36m total length
  • Fourier Series Derivation1:05:07

Requirements

  • Basic understanding of calculus, including integration and differentiation. A familiarity with basic trigonometric functions is helpful, but the course will review necessary concepts as needed.

Description

Welcome to the Fourier Series course!
In this course, we will deeply explore Fourier Series starting from its fundamental ideas, but without assuming advanced prerequisites. The course begins with the basic intuition behind Fourier Series: how periodic functions can be represented as sums of sines and cosines. Then, we carefully go through the derivation of the general Fourier Series formula, explaining each step in simple and clear language.

We will cover:

  • The logic behind Fourier Series and why they work.

  • The orthogonality of sine and cosine functions.

  • How to derive Fourier coefficients from scratch.

  • Solving example problems step-by-step.

  • Special focus on square waves as a practical application.

In addition to the theory, you'll find several fully solved examples, including the full solution of a square wave using Fourier Series. These examples are designed to help you gain practical problem-solving skills.

Whether you're a student studying differential equations, signal processing, engineering, or just someone curious about mathematical series, this course will give you a strong foundation in Fourier Series with clear explanations and valuable insights for future studies.

By the end of the course, you'll have both the theoretical understanding and the practical ability to compute Fourier Series for different types of functions

Who this course is for:

  • This course is for students, engineers, and anyone interested in understanding how periodic signals can be broken down into simple waves using Fourier series. It is ideal for learners studying mathematics, physics, electrical engineering, or anyone curious about signal processing and mathematical analysis.