How to implement sgolay filter in matlab GUI?

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pavan sunder
pavan sunder 2016-9-29
评论： Geoff Hayes 2016-9-29
i want to implement Sgolay filter in MATLAB GUI PLZ giude me: i created a GUI with a push button and axes. in the push button call back function i typed the following code:
function output_Callback(hObject, eventdata, handles)
load('ecgdat.mat')
sig=val(1,:).'
filt_op= sgolayfilt(sig,0,21);
axes(handles.axes2)
plot(1:length(filt_op), filt_op)
I am getting error.. PLZ tell me how to fix this

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