[NTG-context] Ugly matrix spacing
Hi,
I'm ConTeXting a text that follows:
%
\setupwhitespace[big]
\setupinterlinespace[line=2.5ex]
\starttext
The Leslie Matrix is a matrix $L[1:X, 1:X]$ of the form
$$\left( {\matrix{
{a_1 } {a_2 } {a_3 } \ldots {a_X } \cr
{b_1 } 0 0 0 0 \cr
0 {b_2 } 0 0 0 \cr
0 0 \ddots 0 0 \cr
0 0 0 {b_{X - 1} } 0 \cr
} } \right), $$
to build which we need to know $a_x$, {\em ability to reproduce}, an average
number of offsprings within a time step from an individual of age class $x$,
and $b_x$, {\em probability of surviving}, a fraction of individuals that
survives from age class $x$ to age class $x+1$.
\stoptext
and a matrix has big spacing BEFORE and normal spacing AFTER.
Interesting, but without two first setup lines, matrix glues to the subsequent
text.
Best,
Vaytcheslav
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Re: [NTG-context] Ugly matrix spacing
On Tue, 20 Feb 2007, Vyatcheslav Yatskovsky wrote:
Hi,
I'm ConTeXting a text that follows:
%
\setupwhitespace[big]
\setupinterlinespace[line=2.5ex]
\starttext
The Leslie Matrix is a matrix $L[1:X, 1:X]$ of the form
$$\left( {\matrix{
{a_1 } {a_2 } {a_3 } \ldots {a_X } \cr
{b_1 } 0 0 0 0 \cr
0 {b_2 } 0 0 0 \cr
0 0 \ddots 0 0 \cr
0 0 0 {b_{X - 1} } 0 \cr
} } \right), $$
to build which we need to know $a_x$, {\em ability to reproduce}, an average
number of offsprings within a time step from an individual of age class $x$,
and $b_x$, {\em probability of surviving}, a fraction of individuals that
survives from age class $x$ to age class $x+1$.
\stoptext
and a matrix has big spacing BEFORE and normal spacing AFTER.
Change $$ ... $$ to \startformula \stopformula
Interesting, but without two first setup lines, matrix glues to the
subsequent text.
The use of $$ ... $$ for display math will not give you correct
spacing. Always use \startformula ... \stopformula
BTW, there is also \startmathmatrix in ConTeXt which allows you to
\definemathmatrix[pmatrix]
[left={\left(\,},
right={\,\right)}]
\startformula \startpmatrix
\NC {a_1 } \NC {a_2 } \NC {a_3 } \NC \ldots \NC {a_X } \NR
\NC {b_1 } \NC 0 \NC 0 \NC 0\NC 0 \NR
\NC 0 \NC {b_2 } \NC 0 \NC 0\NC 0 \NR
\NC 0 \NC 0 \NC \ddots \NC 0\NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC {b_{X - 1} } \NC 0 \NR
\stoppmatrix \stopformula
and some other fun stuff also. See My Way on math-align
http://dl.contextgarden.net/myway/mathalign.pdf
Aditya
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Re: [NTG-context] Ugly matrix spacing
Try:
\placeformula[-]
\startformula
\left( {\matrix{
{a_1 } {a_2 } {a_3 } \ldots {a_X } \cr
{b_1 } 0 0 0 0 \cr
0 {b_2 } 0 0 0 \cr
0 0 \ddots 0 0 \cr
0 0 0 {b_{X - 1} } 0 \cr
} } \right),
\stopformula
On Feb 19, 2007, at 2:24 PM, Vyatcheslav Yatskovsky wrote:
$$\left( {\matrix{
{a_1 } {a_2 } {a_3 } \ldots {a_X } \cr
{b_1 } 0 0 0 0 \cr
0 {b_2 } 0 0 0 \cr
0 0 \ddots 0 0 \cr
0 0 0 {b_{X - 1} } 0 \cr
} } \right), $$
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