too many input arguements error

3 次查看（过去 30 天）
William
William 2012-6-19
hi, I'm trying to create a piece of code where a created timer runs and updates a polar plot, on my GUI, with values from a slider constantly. Once I've got this working i'm hoping to be able to extrapolate without too much difficulty, Right now i keep getting an error message telling me I have too many input arguements and I'm new to matlab and have defined inputs and outputs where I felt they were required but obviously there are some missing/too many somewhere. help please! The relevant code is as follows :
function testrobotarm_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
guidata(hObject, handles);
global t
global rho
global rado
t = timer('TimerFcn',plotting(rho,rado, hObject, eventdata, handles),'ExecutionMode','fixedRate','BusyMode','Queue','Period',0.5);
start(t)
set(handles.status,'String','Running');
function [radO] = plotting ( hObject, eventdata, handles)
global rado
radO=rado;
polar(radO,rho,'-*m')
**************** value 'rado' is defined elsewhere in the code and its value is obtained using
rado=get(handles.slider1,'Value');
and i know this part works fine as it displays fine in an edit box I've learnt what i know of MATLAB through googling code and altering it so apologies if i'm missing something really stupid
Thanks in advance

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回答（1 个）

Walter Roberson
Walter Roberson 2012-6-19
t = timer('TimerFcn', @plotting, 'ExecutionMode', 'fixedRate', 'BusyMode', 'Queue', 'Period', 0.5);
and change
function [radO] = plotting ( hObject, eventdata, handles)
global rado
to
function plotting( hObject, eventdata )
global rado rho

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