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Partial derivative command with Deltas in line

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3

1

I would like to create a new command for partial derivatives. I have something like this in mind:

newcommand{deriv}[2]{frac{partial #1}{partial #2}}

However, the partial commands are unfortunately not horizontally aligned, if I have e.g something like:

deriv{x^alpha}{t},

i.e. if argument #1 has a wider horizontal extent as argument #2. How can I enforce that the partial commands are always horizontally aligned?

math-mode horizontal-alignment

share|improve this question

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I am pretty sure, the usual suspects will show up with esdiff solutions etc. ;-)
  
  – Christian Hupfer
  Jul 29 '17 at 21:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @egreg I want a horizontal slash, accordingly / does not suit well for me.
  
  – DonkeyKong
  Jul 29 '17 at 22:06
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Like @JohnKormylo, I suspect that, when you say “in line”, you actually mean “vertically aligned” (like what you would get from, say, newcommand*{deriv}[2]{frac{partial #1}{partial #2hfill}}).
  
  – GuM
  Jul 29 '17 at 22:41
  
  
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @GuM - You could add another hfill to the top, just in case.
  
  – John Kormylo
  Jul 29 '17 at 22:46
  

  
  
  
  

add a comment | 

3

1

I would like to create a new command for partial derivatives. I have something like this in mind:

newcommand{deriv}[2]{frac{partial #1}{partial #2}}

However, the partial commands are unfortunately not horizontally aligned, if I have e.g something like:

deriv{x^alpha}{t},

i.e. if argument #1 has a wider horizontal extent as argument #2. How can I enforce that the partial commands are always horizontally aligned?

math-mode horizontal-alignment

share|improve this question

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  I am pretty sure, the usual suspects will show up with esdiff solutions etc. ;-)
  
  – Christian Hupfer
  Jul 29 '17 at 21:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @egreg I want a horizontal slash, accordingly / does not suit well for me.
  
  – DonkeyKong
  Jul 29 '17 at 22:06
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Like @JohnKormylo, I suspect that, when you say “in line”, you actually mean “vertically aligned” (like what you would get from, say, newcommand*{deriv}[2]{frac{partial #1}{partial #2hfill}}).
  
  – GuM
  Jul 29 '17 at 22:41
  
  
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  @GuM - You could add another hfill to the top, just in case.
  
  – John Kormylo
  Jul 29 '17 at 22:46
  

  
  
  
  

add a comment | 

I would like to create a new command for partial derivatives. I have something like this in mind:

newcommand{deriv}[2]{frac{partial #1}{partial #2}}

However, the partial commands are unfortunately not horizontally aligned, if I have e.g something like:

deriv{x^alpha}{t},

i.e. if argument #1 has a wider horizontal extent as argument #2. How can I enforce that the partial commands are always horizontally aligned?

math-mode horizontal-alignment

share|improve this question

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

newcommand{deriv}[2]{frac{partial #1}{partial #2}}

deriv{x^alpha}{t},

share|improve this question

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

share|improve this question

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

edited Jul 30 '17 at 12:55

Werner

446k699871692

edited Jul 30 '17 at 12:55

Werner

446k699871692

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

asked Jul 29 '17 at 21:27

DonkeyKongDonkeyKong

587

2 Answers
2

active

oldest

votes

3

Set the numerator and denominator in a box of similar width and ensure they are both [l]eft-aligned. This is easily done using eqparbox and automated below to allow for any number of derivs (using a counter).

documentclass{article}



usepackage{eqparbox}



newcounter{derivcnt}

newcommand{deriv}[2]{%

  stepcounter{derivcnt}%

  frac

    {eqmakebox[deriv-thederivcnt][l]{$partial #1$}}

    {eqmakebox[deriv-thederivcnt][l]{$partial #2$}}}



begin{document}



[

  deriv{a}{b} + deriv{abc}{d} - deriv{a}{bcd}

]



end{document}

Since this approach uses the .aux files to store the lengths of the boxes, multiple compilations are required with every change in the deriv content.

share|improve this answer

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

add a comment | 

1

You can check the diffcoeff package. It has many ready to use commands for a variety of differential operators

documentclass[]{article}

usepackage{amsmath}

usepackage{diffcoeff}

begin{document}

[ diff{y}{x}  ,  diffp[2]{f}{t}  ,  diffp{f}{x,y} ]

end{document}

share|improve this answer

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I don't know this package, but I think it's not correctly made. For 2nd partial on should use different spacing like $partial^2!f$
  
  – Jan Filip
  Jul 30 '17 at 13:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You are right I know what you mean. I don't think it will work like this.
  
  – mac
  Jul 30 '17 at 13:25
  

  
  
  
  

add a comment | 

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3

Set the numerator and denominator in a box of similar width and ensure they are both [l]eft-aligned. This is easily done using eqparbox and automated below to allow for any number of derivs (using a counter).

documentclass{article}



usepackage{eqparbox}



newcounter{derivcnt}

newcommand{deriv}[2]{%

  stepcounter{derivcnt}%

  frac

    {eqmakebox[deriv-thederivcnt][l]{$partial #1$}}

    {eqmakebox[deriv-thederivcnt][l]{$partial #2$}}}



begin{document}



[

  deriv{a}{b} + deriv{abc}{d} - deriv{a}{bcd}

]



end{document}

Since this approach uses the .aux files to store the lengths of the boxes, multiple compilations are required with every change in the deriv content.

share|improve this answer

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

add a comment | 

3

Set the numerator and denominator in a box of similar width and ensure they are both [l]eft-aligned. This is easily done using eqparbox and automated below to allow for any number of derivs (using a counter).

documentclass{article}



usepackage{eqparbox}



newcounter{derivcnt}

newcommand{deriv}[2]{%

  stepcounter{derivcnt}%

  frac

    {eqmakebox[deriv-thederivcnt][l]{$partial #1$}}

    {eqmakebox[deriv-thederivcnt][l]{$partial #2$}}}



begin{document}



[

  deriv{a}{b} + deriv{abc}{d} - deriv{a}{bcd}

]



end{document}

Since this approach uses the .aux files to store the lengths of the boxes, multiple compilations are required with every change in the deriv content.

share|improve this answer

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

add a comment | 

Set the numerator and denominator in a box of similar width and ensure they are both [l]eft-aligned. This is easily done using eqparbox and automated below to allow for any number of derivs (using a counter).

documentclass{article}



usepackage{eqparbox}



newcounter{derivcnt}

newcommand{deriv}[2]{%

  stepcounter{derivcnt}%

  frac

    {eqmakebox[deriv-thederivcnt][l]{$partial #1$}}

    {eqmakebox[deriv-thederivcnt][l]{$partial #2$}}}



begin{document}



[

  deriv{a}{b} + deriv{abc}{d} - deriv{a}{bcd}

]



end{document}

Since this approach uses the .aux files to store the lengths of the boxes, multiple compilations are required with every change in the deriv content.

share|improve this answer

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

documentclass{article}



usepackage{eqparbox}



newcounter{derivcnt}

newcommand{deriv}[2]{%

  stepcounter{derivcnt}%

  frac

    {eqmakebox[deriv-thederivcnt][l]{$partial #1$}}

    {eqmakebox[deriv-thederivcnt][l]{$partial #2$}}}



begin{document}



[

  deriv{a}{b} + deriv{abc}{d} - deriv{a}{bcd}

]



end{document}

share|improve this answer

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

answered Jul 30 '17 at 13:00

WernerWerner

446k699871692

1

You can check the diffcoeff package. It has many ready to use commands for a variety of differential operators

documentclass[]{article}

usepackage{amsmath}

usepackage{diffcoeff}

begin{document}

[ diff{y}{x}  ,  diffp[2]{f}{t}  ,  diffp{f}{x,y} ]

end{document}

share|improve this answer

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I don't know this package, but I think it's not correctly made. For 2nd partial on should use different spacing like $partial^2!f$
  
  – Jan Filip
  Jul 30 '17 at 13:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You are right I know what you mean. I don't think it will work like this.
  
  – mac
  Jul 30 '17 at 13:25
  

  
  
  
  

add a comment | 

1

You can check the diffcoeff package. It has many ready to use commands for a variety of differential operators

documentclass[]{article}

usepackage{amsmath}

usepackage{diffcoeff}

begin{document}

[ diff{y}{x}  ,  diffp[2]{f}{t}  ,  diffp{f}{x,y} ]

end{document}

share|improve this answer

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I don't know this package, but I think it's not correctly made. For 2nd partial on should use different spacing like $partial^2!f$
  
  – Jan Filip
  Jul 30 '17 at 13:14
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You are right I know what you mean. I don't think it will work like this.
  
  – mac
  Jul 30 '17 at 13:25
  

  
  
  
  

add a comment | 

You can check the diffcoeff package. It has many ready to use commands for a variety of differential operators

documentclass[]{article}

usepackage{amsmath}

usepackage{diffcoeff}

begin{document}

[ diff{y}{x}  ,  diffp[2]{f}{t}  ,  diffp{f}{x,y} ]

end{document}

share|improve this answer

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

documentclass[]{article}

usepackage{amsmath}

usepackage{diffcoeff}

begin{document}

[ diff{y}{x}  ,  diffp[2]{f}{t}  ,  diffp{f}{x,y} ]

end{document}

share|improve this answer

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

edited 10 mins ago

quark67

19615

edited 10 mins ago

quark67

19615

answered Jul 30 '17 at 13:00

macmac

695716

answered Jul 30 '17 at 13:00

macmac

695716