Daily Archives: December 23, 2025

74 posts

Solving Parameter Dependent Systems and Identifying Noninvertibility Through Reduced Echelon Form

The following is a sample from my “Quartic Play” “Ultimate Crash Course Series for STEM Majors” Solving Parameter Dependent Systems and Identifying Noninvertibility Through Reduced Echelon Form LIMITED OFFER Receive a lifetime access code to all new editions, updates, and ad-free access to AuthorJonD.com (Separate YouTube membership is required for […]

Recursive Relations in Power Series Solutions and How Coefficients Are Systematically Generated

The following is a sample from my “Quartic Play” “Ultimate Crash Course Series for STEM Majors” Recursive Relations in Power Series Solutions and How Coefficients Are Systematically Generated LIMITED OFFER Receive a lifetime access code to all new editions, updates, and ad-free access to AuthorJonD.com (Separate YouTube membership is required […]

Introduction to Series Solutions of Differential Equations and the Role of Power Series Expansion

The following is a sample from my “Quartic Play” “Ultimate Crash Course Series for STEM Majors” Introduction to Series Solutions of Differential Equations and the Role of Power Series Expansion LIMITED OFFER Receive a lifetime access code to all new editions, updates, and ad-free access to AuthorJonD.com (Separate YouTube membership […]

Double Summation and the Kronecker Delta Explained Through Index Notation and Matrix Identity Structure

The following is a sample from my “Quartic Play” “Ultimate Crash Course Series for STEM Majors” Double Summation and the Kronecker Delta Explained Through Index Notation and Matrix Identity Structure LIMITED OFFER Receive a lifetime access code to all new editions, updates, and ad-free access to AuthorJonD.com (Separate YouTube membership […]

Building Series Solutions Step by Step and Recognizing Exponential Patterns in Differential Equations

The following is a sample from my “Quartic Play” “Ultimate Crash Course Series for STEM Majors” Building Series Solutions Step by Step and Recognizing Exponential Patterns in Differential Equations LIMITED OFFER Receive a lifetime access code to all new editions, updates, and ad-free access to AuthorJonD.com (Separate YouTube membership is […]