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representation of vector and matrix in latex



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Equation with Large Matrix DimensionHow to make this matrix in LaTeX?Diagonal text in diagonal matrixVertical Alignment of Matrix CellsMaking size of a 4x4 matrix that consist only 2 parameter of 2x2 matrix to be same size as 4x4 matrixVector vs. Raster: Is there any reason to include (larger) vector images into a LaTeX document?Circular MotionDimensional matrixHow to Typeset a Vectortypeset conjugate matrix in LaTEX










2















i'm working on my latex thesis and i want to represent this equation, matrix is upperCase letter with 2 lines under it, and vector just one line below, see the picture attached enter image description here



can someone help me out with a way to represent it










share|improve this question









New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.















  • 2





    that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

    – David Carlisle
    5 hours ago















2















i'm working on my latex thesis and i want to represent this equation, matrix is upperCase letter with 2 lines under it, and vector just one line below, see the picture attached enter image description here



can someone help me out with a way to represent it










share|improve this question









New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.















  • 2





    that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

    – David Carlisle
    5 hours ago













2












2








2








i'm working on my latex thesis and i want to represent this equation, matrix is upperCase letter with 2 lines under it, and vector just one line below, see the picture attached enter image description here



can someone help me out with a way to represent it










share|improve this question









New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












i'm working on my latex thesis and i want to represent this equation, matrix is upperCase letter with 2 lines under it, and vector just one line below, see the picture attached enter image description here



can someone help me out with a way to represent it







matrices vector






share|improve this question









New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question








edited 5 hours ago









Phelype Oleinik

25.5k54690




25.5k54690






New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 5 hours ago









sana chsana ch

133




133




New contributor




sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






sana ch is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







  • 2





    that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

    – David Carlisle
    5 hours ago












  • 2





    that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

    – David Carlisle
    5 hours ago







2




2





that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

– David Carlisle
5 hours ago





that seems very much a "blackboard" notation, do you really want that in a typeset paper? (underline. and underlineunderline. probably do what you want but....

– David Carlisle
5 hours ago










2 Answers
2






active

oldest

votes


















1














The immediate problem can be solved with an array, with a local setting of arraystretch for reducing the gap between the two rows.



documentclassarticle
usepackageamsmath,bm

% old fashioned notation for the old fashioned supervisor
newcommandvect[1]underline#1
newcommandmatr[1]underlineunderline#1

% better for typesetting
%newcommandvect[1]mathbf#1 % or bm
%newcommandmatr[1]mathbf#1 % or bm

begindocument

Here $vectQ$ and $vectw$ are column vectors and $matrA$ is a matrix
[
renewcommandarraystretch0.7
beginarray@ c @ c @ c @; c @
vectQ & = & matrA & vectw \
scriptscriptstyle mtimes 1 &&
scriptscriptstyle mtimes n &
scriptscriptstyle ntimes 1
endarray
]

enddocument


enter image description here



I strongly advise to use macros for inputting matrices and vectors. When your supervisor will realize that the old-fashioned notation is also very ugly in print (it was used in the typewriter times), you can simply change the definitions. If you switch the comments in the code above, the result will be



enter image description here



without changing the code in the document body.






share|improve this answer























  • thank you so much that's exactly what i'm searching for, i appreciate your help

    – sana ch
    2 hours ago


















1














The notational possibilities are sheer endless. Which notational practice you wish to adopt may be dictated by typographic conventions specific to a field, a language, a country, etc. LaTeX and TeX don't prescribe any particular notational practice.



The following screenshot shows five possibilities; I have no doubt that there are many more. Echoing a thought already expressed by David Carlisle, "blackboard-style" notational conventions (e.g., with one or two underlines) are not necessarily the best when applied to typeset, as opposed to hand-written, material.



enter image description here



documentclassarticle
usepackageamsmath,bm
begindocument

beginalign*
Q &= Aw \
mathrmQ &= mathrmAmathrmw\
mathbfQ &= mathbfAmathbfw\
vecQ &= Avecw\
bmQ &= bmAbmw
endalign*
enddocument





share|improve this answer


















  • 1





    thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

    – sana ch
    4 hours ago






  • 1





    @sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

    – Mico
    4 hours ago







  • 1





    @sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

    – egreg
    4 hours ago











Your Answer








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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









1














The immediate problem can be solved with an array, with a local setting of arraystretch for reducing the gap between the two rows.



documentclassarticle
usepackageamsmath,bm

% old fashioned notation for the old fashioned supervisor
newcommandvect[1]underline#1
newcommandmatr[1]underlineunderline#1

% better for typesetting
%newcommandvect[1]mathbf#1 % or bm
%newcommandmatr[1]mathbf#1 % or bm

begindocument

Here $vectQ$ and $vectw$ are column vectors and $matrA$ is a matrix
[
renewcommandarraystretch0.7
beginarray@ c @ c @ c @; c @
vectQ & = & matrA & vectw \
scriptscriptstyle mtimes 1 &&
scriptscriptstyle mtimes n &
scriptscriptstyle ntimes 1
endarray
]

enddocument


enter image description here



I strongly advise to use macros for inputting matrices and vectors. When your supervisor will realize that the old-fashioned notation is also very ugly in print (it was used in the typewriter times), you can simply change the definitions. If you switch the comments in the code above, the result will be



enter image description here



without changing the code in the document body.






share|improve this answer























  • thank you so much that's exactly what i'm searching for, i appreciate your help

    – sana ch
    2 hours ago















1














The immediate problem can be solved with an array, with a local setting of arraystretch for reducing the gap between the two rows.



documentclassarticle
usepackageamsmath,bm

% old fashioned notation for the old fashioned supervisor
newcommandvect[1]underline#1
newcommandmatr[1]underlineunderline#1

% better for typesetting
%newcommandvect[1]mathbf#1 % or bm
%newcommandmatr[1]mathbf#1 % or bm

begindocument

Here $vectQ$ and $vectw$ are column vectors and $matrA$ is a matrix
[
renewcommandarraystretch0.7
beginarray@ c @ c @ c @; c @
vectQ & = & matrA & vectw \
scriptscriptstyle mtimes 1 &&
scriptscriptstyle mtimes n &
scriptscriptstyle ntimes 1
endarray
]

enddocument


enter image description here



I strongly advise to use macros for inputting matrices and vectors. When your supervisor will realize that the old-fashioned notation is also very ugly in print (it was used in the typewriter times), you can simply change the definitions. If you switch the comments in the code above, the result will be



enter image description here



without changing the code in the document body.






share|improve this answer























  • thank you so much that's exactly what i'm searching for, i appreciate your help

    – sana ch
    2 hours ago













1












1








1







The immediate problem can be solved with an array, with a local setting of arraystretch for reducing the gap between the two rows.



documentclassarticle
usepackageamsmath,bm

% old fashioned notation for the old fashioned supervisor
newcommandvect[1]underline#1
newcommandmatr[1]underlineunderline#1

% better for typesetting
%newcommandvect[1]mathbf#1 % or bm
%newcommandmatr[1]mathbf#1 % or bm

begindocument

Here $vectQ$ and $vectw$ are column vectors and $matrA$ is a matrix
[
renewcommandarraystretch0.7
beginarray@ c @ c @ c @; c @
vectQ & = & matrA & vectw \
scriptscriptstyle mtimes 1 &&
scriptscriptstyle mtimes n &
scriptscriptstyle ntimes 1
endarray
]

enddocument


enter image description here



I strongly advise to use macros for inputting matrices and vectors. When your supervisor will realize that the old-fashioned notation is also very ugly in print (it was used in the typewriter times), you can simply change the definitions. If you switch the comments in the code above, the result will be



enter image description here



without changing the code in the document body.






share|improve this answer













The immediate problem can be solved with an array, with a local setting of arraystretch for reducing the gap between the two rows.



documentclassarticle
usepackageamsmath,bm

% old fashioned notation for the old fashioned supervisor
newcommandvect[1]underline#1
newcommandmatr[1]underlineunderline#1

% better for typesetting
%newcommandvect[1]mathbf#1 % or bm
%newcommandmatr[1]mathbf#1 % or bm

begindocument

Here $vectQ$ and $vectw$ are column vectors and $matrA$ is a matrix
[
renewcommandarraystretch0.7
beginarray@ c @ c @ c @; c @
vectQ & = & matrA & vectw \
scriptscriptstyle mtimes 1 &&
scriptscriptstyle mtimes n &
scriptscriptstyle ntimes 1
endarray
]

enddocument


enter image description here



I strongly advise to use macros for inputting matrices and vectors. When your supervisor will realize that the old-fashioned notation is also very ugly in print (it was used in the typewriter times), you can simply change the definitions. If you switch the comments in the code above, the result will be



enter image description here



without changing the code in the document body.







share|improve this answer












share|improve this answer



share|improve this answer










answered 4 hours ago









egregegreg

735k8919343257




735k8919343257












  • thank you so much that's exactly what i'm searching for, i appreciate your help

    – sana ch
    2 hours ago

















  • thank you so much that's exactly what i'm searching for, i appreciate your help

    – sana ch
    2 hours ago
















thank you so much that's exactly what i'm searching for, i appreciate your help

– sana ch
2 hours ago





thank you so much that's exactly what i'm searching for, i appreciate your help

– sana ch
2 hours ago











1














The notational possibilities are sheer endless. Which notational practice you wish to adopt may be dictated by typographic conventions specific to a field, a language, a country, etc. LaTeX and TeX don't prescribe any particular notational practice.



The following screenshot shows five possibilities; I have no doubt that there are many more. Echoing a thought already expressed by David Carlisle, "blackboard-style" notational conventions (e.g., with one or two underlines) are not necessarily the best when applied to typeset, as opposed to hand-written, material.



enter image description here



documentclassarticle
usepackageamsmath,bm
begindocument

beginalign*
Q &= Aw \
mathrmQ &= mathrmAmathrmw\
mathbfQ &= mathbfAmathbfw\
vecQ &= Avecw\
bmQ &= bmAbmw
endalign*
enddocument





share|improve this answer


















  • 1





    thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

    – sana ch
    4 hours ago






  • 1





    @sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

    – Mico
    4 hours ago







  • 1





    @sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

    – egreg
    4 hours ago















1














The notational possibilities are sheer endless. Which notational practice you wish to adopt may be dictated by typographic conventions specific to a field, a language, a country, etc. LaTeX and TeX don't prescribe any particular notational practice.



The following screenshot shows five possibilities; I have no doubt that there are many more. Echoing a thought already expressed by David Carlisle, "blackboard-style" notational conventions (e.g., with one or two underlines) are not necessarily the best when applied to typeset, as opposed to hand-written, material.



enter image description here



documentclassarticle
usepackageamsmath,bm
begindocument

beginalign*
Q &= Aw \
mathrmQ &= mathrmAmathrmw\
mathbfQ &= mathbfAmathbfw\
vecQ &= Avecw\
bmQ &= bmAbmw
endalign*
enddocument





share|improve this answer


















  • 1





    thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

    – sana ch
    4 hours ago






  • 1





    @sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

    – Mico
    4 hours ago







  • 1





    @sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

    – egreg
    4 hours ago













1












1








1







The notational possibilities are sheer endless. Which notational practice you wish to adopt may be dictated by typographic conventions specific to a field, a language, a country, etc. LaTeX and TeX don't prescribe any particular notational practice.



The following screenshot shows five possibilities; I have no doubt that there are many more. Echoing a thought already expressed by David Carlisle, "blackboard-style" notational conventions (e.g., with one or two underlines) are not necessarily the best when applied to typeset, as opposed to hand-written, material.



enter image description here



documentclassarticle
usepackageamsmath,bm
begindocument

beginalign*
Q &= Aw \
mathrmQ &= mathrmAmathrmw\
mathbfQ &= mathbfAmathbfw\
vecQ &= Avecw\
bmQ &= bmAbmw
endalign*
enddocument





share|improve this answer













The notational possibilities are sheer endless. Which notational practice you wish to adopt may be dictated by typographic conventions specific to a field, a language, a country, etc. LaTeX and TeX don't prescribe any particular notational practice.



The following screenshot shows five possibilities; I have no doubt that there are many more. Echoing a thought already expressed by David Carlisle, "blackboard-style" notational conventions (e.g., with one or two underlines) are not necessarily the best when applied to typeset, as opposed to hand-written, material.



enter image description here



documentclassarticle
usepackageamsmath,bm
begindocument

beginalign*
Q &= Aw \
mathrmQ &= mathrmAmathrmw\
mathbfQ &= mathbfAmathbfw\
vecQ &= Avecw\
bmQ &= bmAbmw
endalign*
enddocument






share|improve this answer












share|improve this answer



share|improve this answer










answered 4 hours ago









MicoMico

287k32392781




287k32392781







  • 1





    thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

    – sana ch
    4 hours ago






  • 1





    @sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

    – Mico
    4 hours ago







  • 1





    @sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

    – egreg
    4 hours ago












  • 1





    thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

    – sana ch
    4 hours ago






  • 1





    @sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

    – Mico
    4 hours ago







  • 1





    @sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

    – egreg
    4 hours ago







1




1





thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

– sana ch
4 hours ago





thank you for your reply, i share the same opinion as you, i think it's a blaskboard notation but my supervisor insist to do it this way in my thesis

– sana ch
4 hours ago




1




1





@sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

– Mico
4 hours ago






@sanach - If your supervisor is so strongly wedded to this borderline unsuitable typographic convention, just show him the output of underlineQ=underlineunderlineA,underlinew and ask him for permission to use a different, non-disastrous notation for vectors and matrices. :-)

– Mico
4 hours ago





1




1





@sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

– egreg
4 hours ago





@sanach Explaining matrix multiplication in a thesis? That's what every sophomore should know!

– egreg
4 hours ago










sana ch is a new contributor. Be nice, and check out our Code of Conduct.









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sana ch is a new contributor. Be nice, and check out our Code of Conduct.











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