How to draw a red frame of a row in a matrix?

How to draw a red frame of a row in a matrix?

[dalyoung]

Dear all,

I made a matrix as follows and I'd like to draw a red frame over the i-th row in a matrix.

\startformula
\startmatrix[left={\left (\,},right={\,\right)}]
\NC a_{11} \NC a_{12} \NC \dots \NC a_{1n} \NR
\NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
\NC	 a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
\NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
\NC	 a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
\stopmatrix
\stopformula 

But \frame or \inframe is not working inside matrix.
Is there a way to do that?

Thank you.

Best regards,

Dalyoung
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Re: How to draw a red frame of a row in a matrix?

[Hans Hagen]

On 25-7-2012 11:20, dalyoung wrote:
> Dear all,
>
> I made a matrix as follows and I'd like to draw a red frame over the i-th row in a matrix.
>
> \startformula
> \startmatrix[left={\left (\,},right={\,\right)}]
> \NC a_{11} \NC a_{12} \NC \dots \NC a_{1n} \NR
> \NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
> \NC	 a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
> \NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
> \NC	 a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
> \stopmatrix
> \stopformula
>
> But \frame or \inframe is not working inside matrix.
> Is there a way to do that?
>

maybe \mframed

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Re: How to draw a red frame of a row in a matrix?

[dalyoung]

Dear Hans,

Thank you for quick answer and for reminding me \mframed.
\mframed is working if I enclose one term like  ... \NC{\mframed[]{x+y}}\NC ...\NC\NR.
But I'd like to enclose the whole row in one frame.
I apply \mframed to every term and get close result except there are gaps between frames.

I tried  \mframed in a few different ways, but not succeed. \HL in \startalign...\stopalign is not working either.

I think that \framed and \startformula\startalign have strong characters for each, it is not easy to combine them smoothly.
It is just my guess.

So far, using \mframed for each term is the best result.

Thank you again.

Best regards,

Dalyoung
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Re: How to draw a red frame of a row in a matrix?

[Henning Hraban Ramm]

I don’t know matrix, but otherwise you’d be better off with TABLEs,
see http://wiki.contextgarden.net/TABLE


Greetlings,
Hraban
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Re: How to draw a red frame of a row in a matrix?

[Otared Kavian]

Hi Dalyoung,

Is this what you want:

\setupcolors[state=start]
\def\RedMath{\mframed[frame=on,
	framecolor=red,
	offset=2pt,
%	background=color,
%	backgroundcolor=lightred,
%	backgroundoffset=2pt
	]}

\starttext
\startformula
\startmatrix[left={\left (\,},right={\,\right)}]
\NC\startmatrix[left=,right=,]
\NC a_{11} \NC a_{12} \NC \dots \NC a_{1n} \NR
\NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
\stopmatrix\NR
\NC\RedMath{\startmatrix[left=,right=,]
\NC	 a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
\stopmatrix}\NR
\NC\startmatrix[left=,right=,]
\NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
\NC	 a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
\stopmatrix\NR
\stopmatrix
\stopformula 
\stoptext


Best regards: OK

On 25 juil. 2012, at 11:20, dalyoung wrote:

> Dear all,
> 
> I made a matrix as follows and I'd like to draw a red frame over the i-th row in a matrix.
> 
> \startformula
> \startmatrix[left={\left (\,},right={\,\right)}]
> \NC a_{11} \NC a_{12} \NC \dots \NC a_{1n} \NR
> \NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
> \NC	 a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
> \NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
> \NC	 a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
> \stopmatrix
> \stopformula 
> 
> But \frame or \inframe is not working inside matrix.
> Is there a way to do that?
> 
> Thank you.
> 
> Best regards,
> 
> Dalyoung
> ___________________________________________________________________________________
> 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  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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If your question is of interest to others as well, please add an entry to the Wiki!

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___________________________________________________________________________________

Re: How to draw a red frame of a row in a matrix?

[Wolfgang Schuster]

Am 25.07.2012 um 11:43 schrieb Hans Hagen:

> On 25-7-2012 11:20, dalyoung wrote:
>> Dear all,
>> 
>> I made a matrix as follows and I'd like to draw a red frame over the i-th row in a matrix.
>> 
>> \startformula
>> \startmatrix[left={\left (\,},right={\,\right)}]
>> \NC a_{11} \NC a_{12} \NC \dots \NC a_{1n} \NR
>> \NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
>> \NC	 a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
>> \NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
>> \NC	 a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
>> \stopmatrix
>> \stopformula
>> 
>> But \frame or \inframe is not working inside matrix.
>> Is there a way to do that?
> 
> maybe \mframed


He’s looking for \HL and \VL commands like the table below has to frame a complete row in the matrix.

\starttext

\startformula
\startmatrix[left={\left(\,},right={\,\right)}]
\NC a_{11} \NC a_{12} \NC \cdots \NC a_{1n} \NR
\NC \vdots \NC \vdots \NC \vdots \NC \vdots \NR
\noalign{\hrule}
\NC a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \NR
\noalign{\hrule}
\NC \vdots \NC \vdots \NC \ddots \NC \vdots \NR
\NC	a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NR
\stopmatrix
\stopformula

\starttable[|*{4}{b{\strut}Mc|}]
\NC a_{11} \NC a_{12} \NC \cdots \NC a_{1n} \NC\NR
\NC \vdots \NC \vdots \NC \vdots \NC \vdots \NC\NR
\HL
\VL a_{i1} \NC a_{i2} \NC \cdots \NC a_{in} \VL\NR
\HL
\NC \vdots \NC \vdots \NC \ddots \NC \vdots \NC\NR
\NC	a_{m1} \NC a_{m2} \NC \cdots \NC a_{mn} \NC\NR
\stoptable

\stoptext

Wolfgang
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Re: How to draw a red frame of a row in a matrix?

[dalyoung]

Dear Wolfgang,

Your both methods work nicely.

And, the table method can be used to frame a column, too.

Thank you.

Best regards,

Dalyoung

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Re: How to draw a red frame of a row in a matrix?

[dalyoung]

Dear Otared, Henning Hraban,

Thank you for the reply.
 \RedMath works!

To use TABLE may be another solution. I will try soon.

Thank you again.

Best regards,

Dalyoung

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