matlab¿ÎºóÏ°Ìâ¼°´ð°¸Ïê½â
³öÈýάÏßͼ¡¢ÍøÏßͼ¡¢±íÃæͼºÍ´øäÖȾЧ¹ûµÄ±íÃæͼ¡£
>> [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)
ɫͼ
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)
5.10 ½«5.9ÌâÖеĴø¼ô¿×µÄÇòÐαíÃæͼµÄ×ø±ê¸Ä±äΪÕý·½ÐΣ¬ÒÔʹÇòÃæ¿´ÆðÀ´ÊÇÔ²µÄ¶ø²»ÊÇÍÖÔ²µÄ£¬È»ºó¹Ø±Õ×ø±êÖáµÄÏÔʾ¡£
axis square axis off