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³ÌÐò´úÂëÈçÏ£º clear clc syms x a=0.001:0.001:0.2; %M=size(a) for i=1:200 f=x^4-2i*(10^-5)*x^3-x^2*(24^2+(-1+(0.3*2.4048/0.015/2/pi)^2)/a(i))+2i*x*10^-5*(0.3*2.4048/0.015/2/pi)^2/a(i)+(0.3*2.4048/0.015/2/pi)^2*24^2/a(i); result=solve(f); x1=real(result)/24; x2=imag(result)/24; y1(i)=x1(1, ;%y2(i)=x1(2, ;y3(i)=x1(3, ;y4(i)=x1(4, ;z1(i)=x2(1, ;z2(i)=x2(2, ;z3(i)=x2(3, ;z4(i)=x2(4, ;end plotyy(a,y1,a,z1)%','g *''b *' axis([0 0.2 -2 2]); hold on plotyy(a,y2,a,z2)%'g *' hold on plotyy(a,y3,a,z3) hold on plotyy(a,y4,a,z4) %axis([0 0.2 -2 2]); %plotyy(a,x1(1, ,a,x2(1, )ÎÒ¾õµÃÕâÑù½²°ËÌõÇúÏß»µ½Ò»¸öͼÐÎÖв»Ì«¶Ô£¬ÕâÑùµÄ»°°ËÌõÇúÏß¶¼Ö»ÄÜÓÃʵÏß±íʾ£¬ÔõôÑùÈò»Í¬µÄÇúÏßÓò»Í¬µÄ·ûºÅ±íʾ£¿±ÈÈçµãºÅÐǺÅÖ®ÀàµÄ¡£ÎÒ»³öµÄͼÐκÍÐèÒªµÄͼÐÎÈçÏ£ºÔõÑù»³öÐèÒªµÄÄÇÑù£¿Ð»Ð»£¡[ Last edited by watertxf on 2013-10-20 at 11:16 ] |
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watertxf
Ìú³æ (³õÈëÎÄ̳)
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- ³æºÅ: 1289373
- ×¢²á: 2011-05-08
- ÐÔ±ð: MM
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2013-10-20 11:22:56, 656 bytes
2Â¥2013-10-20 11:23:32
zhg19
½ð³æ (СÓÐÃûÆø)
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- ×¢²á: 2012-07-16
- ÐÔ±ð: GG
- רҵ: °ëµ¼ÌåÎïÀí
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watertxf: ½ð±Ò+15, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-10-23 09:03:30
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LZ¿É³¢ÊÔÈçÏÂÐÎʽ£º [ax,h1,h2]=plotyy(a,y1,a,z1); set(h1,'linestyle','-','marker','o','color','r'); set(h2,'linestyle',':','marker','x','color','b'); ÆäÖÐÏßÐÍ'Linestyle'¡¢'Marker'ºÍÑÕÉ«¡®Color¡¯Öµ¿É²Î¿¼£º Specifier Linestyle Type£º '-' Solid line (default) '--'Dashed line ':'Dotted line '-.' Dash-dot line Specifier Marker Type£º '+'Plus sign 'o'Circle '*'Asterisk '.'Point 'x'Cross 'square' or 's'Square 'diamond' or 'd'Diamond '^'Upward-pointing triangle 'v'Downward-pointing triangle '>'Right-pointing triangle '<'Left-pointing triangle 'pentagram' or 'p'Five-pointed star (pentagram) 'hexagram' or 'h'''Six-pointed star (hexagram) Note: The point (.) marker type does not change size when the specified value is less than 5. Specifier Color Type£º r Red g Green b Blue c Cyan m Magenta y Yellow k Black w White |
3Â¥2013-10-20 23:35:06
watertxf
Ìú³æ (³õÈëÎÄ̳)
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- ³æºÅ: 1289373
- ×¢²á: 2011-05-08
- ÐÔ±ð: MM
- רҵ: ͬ²½·øÉä¼¼Êõ¼°ÆäÓ¦ÓÃ
4Â¥2013-10-22 09:41:51
zhg19
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 33 (СѧÉú)
- ½ð±Ò: 894.6
- ºì»¨: 3
- Ìû×Ó: 212
- ÔÚÏß: 114.5Сʱ
- ³æºÅ: 1895765
- ×¢²á: 2012-07-16
- ÐÔ±ð: GG
- רҵ: °ëµ¼ÌåÎïÀí
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ÊÔÊÔÕâ¸ö£º [AX,h1,h2]=plotyy(a,[y1;y2;y3;y4],a,[z1;z2;z3;z4]); set(h1,'linestyle','-','marker','*','color','r'); set(h2,'linestyle',':','marker','p','color','b'); set(AX(1),'yTick',[-2:0.5:2],'ylim',[-2 2]); set(AX(2),'yTick',[-0.08:0.02:0.08],'ylim',[-0.08 0.08]); |
5Â¥2013-10-22 14:55:00
watertxf
Ìú³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 504.8
- É¢½ð: 42
- ºì»¨: 1
- Ìû×Ó: 46
- ÔÚÏß: 16.5Сʱ
- ³æºÅ: 1289373
- ×¢²á: 2011-05-08
- ÐÔ±ð: MM
- רҵ: ͬ²½·øÉä¼¼Êõ¼°ÆäÓ¦ÓÃ
6Â¥2013-10-23 09:02:36














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