I see there are plenty of questions posted here with similar topics, but I can't find a solution to my question. Below is my latex code for a few equations. How can I force text on the 2nd, 3rd (and so on) lines to appear right below the equals sign? Can I also ask latex to insert a newline at the appropriate place so as to make this possible?
\documentclass{article}
\usepackage{amsmath}
\begin{document}
%41
\[
\begin{split}
\frac{d}{dt}\langle \Delta i_{fi1} \rangle_{1}^R = \omega\langle
\Delta i_{fi1} \rangle_{1}^I +\frac{1}{L_{fi1}}
\Big[\frac{2}{\pi}\Big\{(V_{dcL0})_{0}sin(2 \pi D_{i})\\+(\langle
\Delta v_{dcL} \rangle_{0} sin(2 \pi D_{i}))+(V_{dcL} cos(2 \pi
D_{i})2 \pi \Delta d_{i}) \Big\}-R_{fi} \langle i_{fi}
\rangle_{1}^R-\langle v_{cfi} \rangle_{1}^R \Big]
\end{split}
\]
%42
\[
\begin{split}
\frac{d}{dt}\langle \Delta i_{fi1} \rangle_{1}^I = -\omega\langle
\Delta i_{fi1} \rangle_{1}^R +\frac{1}{L_{fi1}}
\Big[\frac{2}{\pi}\Big\{(V_{dcL0}cos(2 \pi D_{i}))+ \\(\langle \Delta
v_{dcL} \rangle_{0} cos(2 \pi D_{i}))-(V_{dcL} sin(2 \pi D_{i})2 \pi
\Delta d_{i}) \Big\}-R_{fi} \langle i_{fi} \rangle_{1}^I-\langle
v_{cfi} \rangle_{1}^I \Big]
\end{split}
\]
% 43
\[
\begin{split}
\frac{d}{dt}\langle \Delta v_{Ci}\rangle_1^IR= \omega\langle\Delta v_{Ci}\rangle_1^I +\frac{1}{C_{fi}}\Big[ \langle\Delta i_{fi1}\rangle_1^R - \frac{\langle\Delta v_{Ci}\rangle_1^R}{R_L1}\Big]
\end{split}
\]
% 44
\[
\frac{d}{dt}\langle \Delta v_{Ci} \rangle_1^I = -\omega\langle\Delta v_{Ci}\rangle_1^R +\frac{1}{C_{fi}}\Big[ \langle\Delta i_{fi1}\rangle_1^I - \frac{\langle\Delta v_{Ci}\rangle_1^I}{R_L1}\Big]
\]
% 45
\[
\frac{d}{dt}\Big[\Delta X_{SST}\Big]=[A_{SST}][\Delta X_{SST}]+[B_{SST}][\Delta d_{SST}]
+[C_{SST}][\Delta U_{SST}]+[D_{SST}]
\]
%46
\[
\Big[\Delta X_{SST}\Big]=\Big[X_{rectifier} | X_{DAB} | X_{inverter} \Big]$$ where
\small\small $$\ X_{rectifier} = \Big[\Delta \langle i_{g} \rangle _{1}^R\hspace{0.15cm} \Delta \langle i_{g} \rangle _{1}^I\hspace{0.15cm} \Delta \langle i_{fr} \rangle _{1}^R\hspace{0.15cm} \Delta \langle i_{fr} \rangle _{1}^I\hspace{0.15cm} \Delta \langle V_{cfr} \rangle _{1}^R\hspace{0.15cm} \Delta \langle V_{cfr} \rangle _{1}^I\hspace{0.15cm} \Delta \langle V_{dcH} \rangle _{0} \Big])\normalsize$$
$$\ X_{DAB} = \Big[\Delta \langle i_{tp} \rangle _{1}^R\hspace{0.3cm} \Delta \langle i_{tp} \rangle _{1}^I\hspace{0.3cm} \Delta \langle V_{dcL} \rangle _{0}\Big]$$ and
$$\ X_{inverter}= \Big[\Delta \langle i_{fi1} \rangle _{1}^R\hspace{0.3cm} \Delta \langle i_{fr1} \rangle _{1}^I\hspace{0.3cm} \Delta \langle V_{cfi1} \rangle _{1}^R\hspace{0.3cm} \Delta \langle V_{cfi1} \rangle _{1}^I\Big]
\]
\[
\Big[\small \Delta d_{SST}\Big]=\Big[\Delta d_{r}\hspace{0.3cm}\Delta d_{D1}\hspace{0.3cm}\Delta d_{D2}\hspace{0.3cm}\Delta d_{i}\Big]\eqno{\hbox{(47)}}
\]
\end{document}
Best Answer
I need quit a lot a time to rearrange your MWE ... I strongly suggest you that even in editor you wrote equation on the way, that it is easy find
0
and end of lines (\\
) i.e. begining of new line of equation. Beside this for trigonometric function I suggest to use\sin
or\cos
instead ofsin
andcos
.For aligning equation at some point, for example at equal sign, you should use ampersand (
&
).I merge all your equations in one system. for lines, where you not like to have equation numbers, I put
\notag
before\\
. Besidealign
I also usemultlined
environment for broke very long equations in more lines. Result is the following:Code:
Is this what you looking for?