How can I shrink the domain of a time series plot?

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Alexander
Alexander 2013-1-7
I have a time series object that has a start date and time of
2012-06-26 17:21:00
which increases incrementally by 'minutes' to
2012-06-26 19:21:00
when I plot the object, the plot extends from the start data/time to the end date/time. How can I modify the x limits so that I can create daily plots?
I tried the code below but it seems that index values assigned in the for loop do not match the index values the time series plot is using.
CR1000_num = importfileCR1000_num('CR1000_Main_2012_06_26_to_2012_09_24.dat');
CR1000_dates = importfileCR1000_dates('CR1000_Main_2012_06_26_to_2012_09_24.dat');
% TIME SERIES OBJECT 1: Avg Temp
ts_CR1000_temp = timeseries(CR1000_num(:,19));
ts_CR1000_temp.Name = 'Average Temperature';
ts_CR1000_temp.DataInfo.Units = 'Deg C'
ts_CR1000_temp.TimeInfo.Units = 'minutes';
ts_CR1000_temp.TimeInfo.StartDate = CR1000_dates{1,1:end}
ts_CR1000_temp.TimeInfo.Format = 'mmm dd, yy'
x1 = '"2012-06-26 17:21:00"'
x2 = '"2012-06-26 19:21:00"'
for i = 1:length(CR1000_dates)
if strcmp(x1,CR1000_dates{i,1:end})
x_lower = i
end
if strcmp(x2,CR1000_dates{i,1:end})
x_upper = i
end
end
plot(ts_CR1000_temp)
xlim([x_lower,x_upper])

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