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>> [x,y]=meshgrid([-2:.2:2]); %²úÉú\¸ñµã\¾ØÕó >> z=x.*exp(-x.^2-y.^2);

>> mesh(x,y,z) %ÍøÏßͼ >> subplot(2,2,1), plot3(x,y,z) %´´½¨×Óͼ >> title('plot3 (x,y,z)') >> subplot(2,2,2), mesh(x,y,z) >> title('mesh (x,y,z)')

>> subplot(2,2,3), surf(x,y,z) %Èýά×ÅÉ«±íÃæͼ >> title('surf (x,y,z)')

>> subplot(2,2,4), surf(x,y,z), shading interp %²åÖµ >> title('surf (x,y,z), shading interp')

5.8 »æÖÆpeaksº¯ÊýµÄ±íÃæͼ£¬ÓÃcolormapº¯Êý¸Ä±äÔ¤ÖõÄɫͼ£¬¹Û²ìÉ«²ÊµÄ·Ö²¼Çé¿ö¡£ >> surf(peaks(30)); %Èýά×ÅÉ«±íÃæͼ

>> colormap(hot) %>> colormap(cool)

>> colormap(lines)

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matlab¿ÎºóÏ°Ìâ¼°´ð°¸Ïê½â

5.9 ÓÃsphereº¯Êý²úÉúÇò±íÃæ×ø±ê£¬»æÖƲ»Í¨Ã÷ÍøÏßͼ¡¢Í¸Ã÷ÍøÏßͼ¡¢±íÃæͼºÍ´ø¼ô¿×µÄ±íÃæͼ¡£ >> [x,y,z]=sphere(30); %²úÉúÇòÃæ >> mesh(x,y,z)

>> mesh(x,y,z),hidden off

>> surf(x,y,z)

>> z(18:30,1:5)=NaN*ones(13,5); >> surf(x,y,z)

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axis square axis off

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