Inner Product Spaces Courses

Basic Linear Algebra
Indian Institute of Technology Bombay via Swayam

Applied Linear Algebra
Indian Institute of Technology Madras via Swayam

Linear Algebra
NPTEL via YouTube

Orthogonality
YouTube

Linear Algebra Basics
Indian Institute of Technology Roorkee via Coursera

Advanced Linear Algebra
Indian Institute of Technology Roorkee via Swayam

Infinite Dimensional Function Spaces and Fourier Series
Steve Brunton via YouTube

Oxford Linear Algebra - Inner Product Space
Tom Rocks Maths via YouTube

Introduction to Fourier Analysis
Indian Institute of Technology Kanpur via Swayam