On Wed, 14 May 2008, 302302 wrote: >> On Tue, 13 May 2008, 302302 wrote: >> >>> Hi, >>> I need to use a multieqaution in this form ( >>> http://img233.imageshack.us/img233/2372/eqsx3.png ). I am mostly interested >>> in the right brace and >the indentation after the "subject to". I tried to >>> use mathmatrix but without success. Can you help me with it?> >> >> I am using nested matrices, but this is one case which will be best solved >> by something equivalent for gathered and aligned. It has been on my todo >> list for a long time. >> >> Here is a solution using nested matrices, where I use \noalign to fake >> correct spacing after the first line (and changed the \cdots in the last >> condition to \dots). >> >> \definemathmatrix[rightbrace][left={\left.},right={\,\right\}},n=1,align=left] >> >> \starttext >> >> \placeformula[+] \startformula >> \startrightbrace >> \NC \min \{c_1 x_1 + c_2 x_2 + \cdots + c_n x_n \} \NR >> \noalign{\vskip 0.2em} >> \NC \text{subject to} \NR >> \NC \quad >> \startmathmatrix[n=9,align={middle,middle,middle, >> middle,middle,middle,right,middle,middle}, >> distance=0.3em] >> \NC a_{11} x_1 \NC + \NC a_{12} x_2 \NC + >> \NC \cdots \NC + \NC a_{1n} x_n \NC = \NC b_1 \NR >> \NC a_{21} x_1 \NC + \NC a_{22} x_2 \NC + >> \NC \cdots \NC + \NC a_{2n} x_n \NC = \NC b_2 \NR >> \NC \NC \NC \vdots \NC >> \NC \NC \NC \NC \NC \vdots \NR >> \NC a_{m1} x_1 \NC + \NC a_{m2} x_2 \NC + >> \NC \cdots \NC + \NC a_{mn} x_n \NC = \NC b_m \NR >> \NC \NC \NC \NC >> \NC \NC >> \NC \llap{x_1,x_2,\dots,x_n} \NC \ge \NC 0. >> \stopmathmatrix \NR >> \stoprightbrace >> \stopformula >> >> \stoptext >> >> >> Aditya > > Great, thanks a lot! And is there any way how to get in the first line > \min_{x \in X} with the parameter exactly below the "min"? Because in this > solution the parameter {x \in X} is on the right bottom, like in a line.
Add style=\displaystyle as an option in the definition of rightbrace. Aditya ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : https://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
