Skip to main content\(\require{cancel}\newcommand{\nicefrac}[2]{{}^{#1}\!/\!{}_{#2}}
\newcommand{\unitfrac}[3][\!\!]{#1 \,\, \nicefrac{\mathrm{#2}}{\mathrm{#3}}}
\newcommand{\unit}[2][\!\!]{#1 \,\, \mathrm{#2}}
\newcommand{\noalign}[1]{}
\newcommand{\qed}{\qquad \Box}
\newcommand{\mybxbg}[1]{\boxed{#1}}
\newcommand{\mybxsm}[1]{\boxed{#1}}
\newcommand{\allowbreak}{}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\definecolor{fillinmathshade}{gray}{0.9}
\newcommand{\fillinmath}[1]{\mathchoice{\colorbox{fillinmathshade}{$\displaystyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\textstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptscriptstyle\phantom{\,#1\,}$}}}
\)
Notes on Diffy QsDifferential Equations for Engineers
May 22, 2026
For a higher quality printout use the PDF version: https://www.jirka.org/diffyqs/diffyqs.pdf or https://jirilebl.github.io/diffyqs/diffyqs.pdf
