?? mm2621.m
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% mm2621.msubplot(2,2,1)fplot(@humps,[-.5 3])title('Figure 26.21a: Fplot of the Humps Function')xlabel('x')ylabel('humps(x)')subplot(2,2,2)fstr='sin(x)/(x)';ezplot(fstr,[-15,15])title(['Figure 26.21b: ' fstr])subplot(2,2,3)istr='(x-2)^2/(2^2) + (y+1)^2/(3^2) - 1';ezplot(istr,[-2 6 -5 3])axis squaregridtitle(['Figure 26.21c: ' istr])?? 快捷鍵說(shuō)明
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