?? mm1601.m
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%(mm1601.m plot)t = (1900:10:1990)';p = [ 75.995; 91.972; 105.711; 123.203; 131.669; 150.697; 179.323; 203.212; 226.505; 249.633];plot(datenum(t,1,1),p)datetick('x','yyyy') % use 4-digit year on the x-axistitle('Figure 16.1: Population by Year')?? 快捷鍵說(shuō)明
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