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The Differential Calculus for Curves - Lagrange's Algebraic Approach - Lecture 4

Insights into Mathematics via YouTube

Overview

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Explore a rejuvenated algebraic approach to calculus in this 48-minute lecture on differential geometry. Delve into the powerful methods developed by Newton, Euler, and Lagrange, focusing on studying polynomial functions through translation and truncation to create Taylor approximations. Learn how to identify tangent lines, conics, and cubics for polynomials using only high school mathematics, without limits or real numbers. Compare this elementary theory to the standard textbook approach, and discover the advantages of using sub-derivatives instead of traditional derivatives. Work through explicit examples to gain practical understanding, and consider the potential impact of this perspective on mathematics education. Challenge conventional wisdom and adopt a beginner's mind to unlock new possibilities in this fundamental subject.

Syllabus

Correction: At the formula for D2pq should be D2pq=D1D1pq=pD2q+2*D1p*D2q+qD2p as noted by Faraz Sahba thanks!
The algebraic approach to Calculus
Euler and Lagrange
Reviewing the standard approach to calculus
Lagrange's approach
Pascal's array
Taylor expansions and product rules
The shape of curves near a point
Truncating to find approximations
Tangents and equation of a line
Problem: Calculate & graph the tangent curves to a curve at a point

Taught by

Insights into Mathematics

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