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Re: [Gnuplot-info] variable defined from reading a file?
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From: Jon <dev...@gm...> - 2010-11-04 20:51:18
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Thanks! So under version 4.4, what I want to do cannot be performed then? Sincerely, Jon On Thu, Nov 4, 2010 at 2:31 PM, Thomas Sefzick <t.s...@fz...>wrote: > > the current version of gnuplot is 4.4 > > versions up to 4.2.6 don't have the 'eval' command. > > > bsmile wrote: > > > > I might have missed several backslashes. After fixing that, there is > still > > similar complaints. I still tend to believe that eval command is not > > recognized in gnuplot. I tried the test case > > > > g = 'plot aaa.txt u 1:2 w l' > > eval g > > > > it complains > > > > gnuplot> eval g > > ^ > > invalid command > > > > which seems to support my guess, > > > > Jon > > > > > > On Thu, Nov 4, 2010 at 11:41 AM, Heeren,Tammo,IRVINE,R&D < > > Tam...@al...> wrote: > > > >> Check how you quoted things. I think the problem is there. > >> > >> Tammo > >> > >> -----Original Message----- > >> From: Jon [mailto:dev...@gm...] > >> Sent: Thursday, November 04, 2010 9:26 AM > >> To: Thomas Sefzick > >> Cc: gnu...@li... > >> Subject: Re: [Gnuplot-info] variable defined from reading a file? > >> > >> Thanks for the sample code. I tested it and get an error like > >> > >> if (i==0) eval "plot 'ts.dat' using > >> (mu".i."=column(1),sigma".i."=column(2),0/0):(0/0)" > >> ^ > >> "ts.loop", line 2: invalid command > >> > >> Seems that the current version of gnuplot does not recognize eval > >> command?! > >> The version for my gnuplot is 4.2 with patchlevel 3 > >> > >> I did a google search, but does not lead me anywhere ... > >> > >> Thanks for further information! > >> > >> Jon > >> > >> > >> > >> On Thu, Nov 4, 2010 at 6:20 AM, Thomas Sefzick <t.s...@fz... > >> >wrote: > >> > >> > > >> > plot in a loop using the 'reload' command and store the mu and sigma > >> values > >> > in variables specific to each sub-plot: > >> > > >> > file 'ts.plt': > >> > > >> > ############### > >> > i=0 > >> > f(x,mu,sigma)=exp(-(x-mu)**2/2/sigma**2)/sqrt(2*pi)/sigma > >> > load 'ts.loop' > >> > ############### > >> > > >> > file 'ts.loop': > >> > > >> > ############### > >> > if (i==0) \ > >> > eval "plot 'ts.dat' using > >> > (mu".i."=column(1),sigma".i."=column(2),0/0):(0/0) > >> > every ::".i."::".i." notitle, f(x,mu".i.",sigma".i.")" \ > >> > ; else \ > >> > eval "replot 'ts.dat' using > >> > (mu".i."=column(1),sigma".i."=column(2),0/0):(0/0) every > ::".i."::".i." > >> > notitle, f(x,mu".i.",sigma".i.")" > >> > > >> > i=i+1 > >> > reread > >> > ############### > >> > > >> > start it with: > >> > > >> > load 'ts.plt' > >> > > >> > > >> > bsmile wrote: > >> > > > >> > > Hello, > >> > > > >> > > So far gnuplot has given me many surprises, and expanded my horizon > >> how > >> > > much > >> > > it can do. Now comes one more thing I am wondering whether gnuplot > >> can > >> > do. > >> > > > >> > > For example, I save mu and sigma in a file > >> > > > >> > > # mu sigma > >> > > 0.1 0.1 > >> > > 0.1 0.2 > >> > > 0.1 0.3 > >> > > 0.2 0.1 > >> > > 0.2 0.2 > >> > > ... > >> > > > >> > > I want to read the first line and assign them to two variables mu > and > >> > > sigma, > >> > > then plot > >> > > > >> > > f(x,mu,sigma)=exp(-(x-mu)**2/2/sigma**2)/sqrt(2*pi)/sigma > >> > > > >> > > and then read the next line and assign to mu and sigma, and plot the > >> next > >> > > Gaussian distribution again > >> > > > >> > > ... > >> > > > >> > > If this can be done, that would give great flexibility to gnuplot, > >> > > > >> > > Thanks for any advices, > >> > > > >> > > Sincerely, > >> > > Jon > >> > > > >> > > >> > ------------------------------------------------------------------------------ > >> > > The Next 800 Companies to Lead America's Growth: New Video > Whitepaper > >> > > David G. Thomson, author of the best-selling book "Blueprint to a > >> > > Billion" shares his insights and actions to help propel your > >> > > business during the next growth cycle. Listen Now! > >> > > http://p.sf.net/sfu/SAP-dev2dev > >> > > _______________________________________________ > >> > > gnuplot-info mailing list > >> > > gnu...@li... > >> > > https://lists.sourceforge.net/lists/listinfo/gnuplot-info > >> > > > >> > > > >> > > >> > -- > >> > View this message in context: > >> > > >> > http://old.nabble.com/variable-defined-from-reading-a-file--tp30129834p30130978.html > >> > Sent from the Gnuplot - User mailing list archive at Nabble.com. > >> > > >> > > >> > > >> > > >> > ------------------------------------------------------------------------------ > >> > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > >> > David G. Thomson, author of the best-selling book "Blueprint to a > >> > Billion" shares his insights and actions to help propel your > >> > business during the next growth cycle. Listen Now! > >> > http://p.sf.net/sfu/SAP-dev2dev > >> > _______________________________________________ > >> > gnuplot-info mailing list > >> > gnu...@li... > >> > https://lists.sourceforge.net/lists/listinfo/gnuplot-info > >> > > >> > >> > ------------------------------------------------------------------------------ > >> The Next 800 Companies to Lead America's Growth: New Video Whitepaper > >> David G. Thomson, author of the best-selling book "Blueprint to a > >> Billion" shares his insights and actions to help propel your > >> business during the next growth cycle. Listen Now! > >> http://p.sf.net/sfu/SAP-dev2dev > >> _______________________________________________ > >> gnuplot-info mailing list > >> gnu...@li... > >> https://lists.sourceforge.net/lists/listinfo/gnuplot-info > >> > >> This e-mail (including any attachments) is confidential and may be > >> legally > >> privileged. If you are not an intended recipient or an authorized > >> representative of an intended recipient, you are prohibited from using, > >> copying or distributing the information in this e-mail or its > >> attachments. > >> If you have received this e-mail in error, please notify the sender > >> immediately by return e-mail and delete all copies of this message and > >> any > >> attachments. > >> > >> Thank you. > >> > > > ------------------------------------------------------------------------------ > > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > > David G. Thomson, author of the best-selling book "Blueprint to a > > Billion" shares his insights and actions to help propel your > > business during the next growth cycle. Listen Now! > > http://p.sf.net/sfu/SAP-dev2dev > > _______________________________________________ > > gnuplot-info mailing list > > gnu...@li... > > https://lists.sourceforge.net/lists/listinfo/gnuplot-info > > > > > > -- > View this message in context: > http://old.nabble.com/variable-defined-from-reading-a-file--tp30129834p30135393.html > Sent from the Gnuplot - User mailing list archive at Nabble.com. > > > > ------------------------------------------------------------------------------ > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > David G. Thomson, author of the best-selling book "Blueprint to a > Billion" shares his insights and actions to help propel your > business during the next growth cycle. Listen Now! > http://p.sf.net/sfu/SAP-dev2dev > _______________________________________________ > gnuplot-info mailing list > gnu...@li... > https://lists.sourceforge.net/lists/listinfo/gnuplot-info > |
