1.5 Substitution (source code)

= 1.5 Substitution
{c}

Online text: https://www.jirka.org/diffyqs/html/substitution_section.html

Cited passages: Notes on Diffy Qs, §1.5.2 Bernoulli equations: substitution v equals y to the power 1 minus n; n equals 0 or 1 is already linear; Example 1.5.1 selects the positive root using its initial condition.