I'm trying to have all my equation aligned to the left of the document instead of the center. I'm trying with flalign
but fore some strange reason I get this :
Here is the code :
\documentclass[11pt, french]{article} %article report book letter slides
\usepackage{blindtext}
\usepackage{geometry}
\geometry{
a4paper,
total={170mm,257mm},
left=20mm,
top=20mm,
}
\usepackage[french]{babel}
\selectlanguage{french}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{esint}
\begin{document}
\newcommand{\prt}[2]{\frac{\partial #1}{\partial #2}}
\begin{flalign}
C_x = C_{x_0} + k{C_z}^2 && \\
\prt{f}{C_z} = \frac{0.015+\frac{{C_z}^2}{20}-\frac{{C_z}^2}{10}}{\left( 0.015+{C_z}^2 \right)^2}&&\\
\prt{f}{C_z} = 0 \Leftrightarrow C_{x_0} + k{C_z}^2 - 2k{C_z}^2 = 0 \Leftrightarrow C_z = \sqrt{\frac{C_{x_0}}{k}} = 0,548 &&\\
C_x = 0.015 + \frac{1}{20} * 0.548^2 = 0.03&&\\
f = \frac{0.548}{0.03} = 18,26 &&
\end{flalign}
\end{document}
How can I fix my problem?
Best Answer
Use
[fleqn]
to get equations flush left, and usegather
notalign
as you are not aligning on =