Can this table formula be done more efficient

Can this table formula be done more efficient

[Cecil Westerhof]

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At the moment I am using the following formula:
    #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2=vsum(@<<$2..@>>$2) ::
@>$3=vsum(@<<$3..@>>$3) :: @>$4=vsum(@<<$4..@>>$4)

This does what I want, but there are two things that could be improved.

- The second, third and fourth formula do exactly the same, only on
different columns. Could this be rewritten to one formula?

- The line becomes long and hard to evaluate for a person. Is there a
possibility to put the formulas below each-other?

-- 
Cecil Westerhof

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Re: Can this table formula be done more efficient

[Nick Dokos]

Cecil Westerhof <cldwesterhof@gmail.com> writes:

> At the moment I am using the following formula:
>     #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2=vsum(@<<$2..@>>$2) :: @>$3=vsum(@<<$3..@>>$3) :: @>$4=vsum(@<<$4..@>>$4)
>
> This does what I want, but there are two things that could be improved.
>
> - The second, third and fourth formula do exactly the same, only on different columns. Could this be rewritten to one formula?
>

--8<---------------cut here---------------start------------->8---
#+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2..$4=vsum(@<<$0..@>>$0)
--8<---------------cut here---------------end--------------->8---

See (info "(org) References")

> - The line becomes long and hard to evaluate for a person. Is there a possibility to put the formulas below each-other?
>

I don't believe so but my belief may be out of date. It has been
discussed before: check the list archives.

-- 
Nick

Re: Can this table formula be done more efficient

[Eric Schulte]

Nick Dokos <ndokos@gmail.com> writes:

> Cecil Westerhof <cldwesterhof@gmail.com> writes:
>
>> At the moment I am using the following formula:
>>     #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2=vsum(@<<$2..@>>$2) ::
>> @>$3=vsum(@<<$3..@>>$3) :: @>$4=vsum(@<<$4..@>>$4)
>>
>> This does what I want, but there are two things that could be improved.
>>
>> - The second, third and fourth formula do exactly the same, only on
>> different columns. Could this be rewritten to one formula?
>>
>
> --8<---------------cut here---------------start------------->8---
> #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2..$4=vsum(@<<$0..@>>$0)
> --8<---------------cut here---------------end--------------->8---
>
> See (info "(org) References")
>
>> - The line becomes long and hard to evaluate for a person. Is there
>> a possibility to put the formulas below each-other?
>>
>
> I don't believe so but my belief may be out of date. It has been
> discussed before: check the list archives.

Sort of but not really.  See "Using multiple #+TBLFM lines" in the
manual.

,----
| Using multiple #+TBLFM lines
| ............................
| 
| You may apply the formula temporarily.  This is useful when you switch
| the formula.  Place multiple ‘#+TBLFM’ lines right after the table, and
| then press ‘C-c C-c’ on the formula to apply.  Here is an example:
| 
|      | x | y |
|      |---+---|
|      | 1 |   |
|      | 2 |   |
|      #+TBLFM: $2=$1*1
|      #+TBLFM: $2=$1*2
| 
| Pressing ‘C-c C-c’ in the line of ‘#+TBLFM: $2=$1*2’ yields:
| 
|      | x | y |
|      |---+---|
|      | 1 | 2 |
|      | 2 | 4 |
|      #+TBLFM: $2=$1*1
|      #+TBLFM: $2=$1*2
| 
| Note: If you recalculate this table (with ‘C-u C-c *’, for example), you
| will get the following result of applying only the first ‘#+TBLFM’ line.
| 
|      | x | y |
|      |---+---|
|      | 1 | 1 |
|      | 2 | 2 |
|      #+TBLFM: $2=$1*1
|      #+TBLFM: $2=$1*2
`----


-- 
Eric Schulte
https://cs.unm.edu/~eschulte
PGP: 0x614CA05D (see https://u.fsf.org/yw)

Re: Can this table formula be done more efficient

[Cecil Westerhof]

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2014-06-08 15:07 GMT+02:00 Eric Schulte <schulte.eric@gmail.com>:

> Nick Dokos <ndokos@gmail.com> writes:
>
> > Cecil Westerhof <cldwesterhof@gmail.com> writes:
> >
> >> At the moment I am using the following formula:
> >>     #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2=vsum(@<<$2..@>>$2) ::
> >> @>$3=vsum(@<<$3..@>>$3) :: @>$4=vsum(@<<$4..@>>$4)
> >>
> >> This does what I want, but there are two things that could be improved.
> >>
> >> - The second, third and fourth formula do exactly the same, only on
> >> different columns. Could this be rewritten to one formula?
> >>
> >
> > --8<---------------cut here---------------start------------->8---
> > #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2..$4=vsum(@<<$0..@>>$0)
> > --8<---------------cut here---------------end--------------->8---
> >
> > See (info "(org) References")
> >
> >> - The line becomes long and hard to evaluate for a person. Is there
> >> a possibility to put the formulas below each-other?
> >>
> >
> > I don't believe so but my belief may be out of date. It has been
> > discussed before: check the list archives.
>
> Sort of but not really.  See "Using multiple #+TBLFM lines" in the
> manual.
>

​That I found. Is handy, but only for debugging. But with the shortened
formula line, it is less of a problem.

-- 
Cecil Westerhof

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Re: Can this table formula be done more efficient

[Cecil Westerhof]

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2014-06-08 13:53 GMT+02:00 Nick Dokos <ndokos@gmail.com>:

> Cecil Westerhof <cldwesterhof@gmail.com> writes:
>
> > At the moment I am using the following formula:
> >     #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2=vsum(@<<$2..@>>$2) ::
> @>$3=vsum(@<<$3..@>>$3) :: @>$4=vsum(@<<$4..@>>$4)
> >
> > This does what I want, but there are two things that could be improved.
> >
> > - The second, third and fourth formula do exactly the same, only on
> different columns. Could this be rewritten to one formula?
> >
>
> --8<---------------cut here---------------start------------->8---
> #+TBLFM: @<<$4..@>>$4 = $2 - $3 :: @>$2..$4=vsum(@<<$0..@>>$0)
> --8<---------------cut here---------------end--------------->8---
>

​Works like a charm. Thanks.

​


> ​​
> See
> ​​
> (info "(org) References")
>

​I should study that more diligently.

-- 
Cecil Westerhof

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