text annotate graphs
in [Matlab]
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From: Wendy on 20 Jun 2010 21:34 Hi all, I am trying to annotate a bar plot, however I am keeping getting the error "??? Subscript indices must either be real positive integers or logicals.". The error happens even when I try the matlab example, plot(0:pi/20:2*pi,sin(0:pi/20:2*pi)) text(pi,0,' \leftarrow sin(\pi)','FontSize',18) Does anyone know why it happens? Thanks a lot, Wendy
From: us on 20 Jun 2010 21:47 "Wendy " <wlq121(a)gmail.com> wrote in message <hvmfie$44h$1(a)fred.mathworks.com>... > Hi all, > > I am trying to annotate a bar plot, however I am keeping getting the error "??? Subscript indices must either be real positive integers or logicals.". The error happens even when I try the matlab example, > > plot(0:pi/20:2*pi,sin(0:pi/20:2*pi)) > text(pi,0,' \leftarrow sin(\pi)','FontSize',18) > > Does anyone know why it happens? > > Thanks a lot, > Wendy most likely, you (inadvertently) created a var TEXT along the way... do this which text -all; % then clear text; which text -all; % then, run your code, again (which, by the way, works fine here)... % see this FEX submission to check for the validity of your vars... http://www.mathworks.com/matlabcentral/fileexchange/27797-cvar-a-pedestrian-variable-name-checker us
From: TideMan on 21 Jun 2010 00:41 On Jun 21, 1:47 pm, "us " <u...(a)neurol.unizh.ch> wrote: > "Wendy " <wlq...(a)gmail.com> wrote in message <hvmfie$44...(a)fred.mathworks..com>... > > Hi all, > > > I am trying to annotate a bar plot, however I am keeping getting the error "??? Subscript indices must either be real positive integers or logicals.". The error happens even when I try the matlab example, > > > plot(0:pi/20:2*pi,sin(0:pi/20:2*pi)) > > text(pi,0,' \leftarrow sin(\pi)','FontSize',18) > > > Does anyone know why it happens? > > > Thanks a lot, > > Wendy > > most likely, you (inadvertently) created a var TEXT along the way... > do this > > which text -all; > % then > clear text; > which text -all; > % then, run your code, again (which, by the way, works fine here)... > > % see this FEX submission to check for the validity of your vars... > > http://www.mathworks.com/matlabcentral/fileexchange/27797-cvar-a-pede... > > us How can you tell, us, that her transgression is not with sin?
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