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topliu85

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] ÏòÁ¿Óë¾ØÕóµÄ³Ë»ý ÒÑÓÐ1È˲ÎÓë

a=[x,y,z];
b=[cos(500)*t,-sin(500)*t,0;sin(300)*t,cos(300)*t,0;0,0,1];
c=[3cos(1000)*t;3sin(1000)*t;0];
d=[9cos(500)*t;9sin(500)*t;20*t];
a=b*c+d
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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ju5200

ľ³æ (ÕýʽдÊÖ)

2Â¥2016-01-27 00:05:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

topliu85

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ju5200 at 2016-01-27 00:05:34
²»ÄÑàÞ£¬Ö±½Óplot

ÕâÀïµÄt²»ÊÇÒ»¸öÊýÖµ£¬¶øÊÇt=0:0.1:3
3Â¥2016-01-27 09:43:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wang_chuan

Òø³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
topliu85: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ºÜºÃºÜºÃ¡£Èç¹ûÎÒ»¹Ïë°Ñͬһʱ¿Ì¶ÔÓ¦µÄx,y×öÒ»¸öɸѡ£¬±È·½Ëµx^2+y^2<=16,ÔõôÌí¼Óµ½³ÌÐòÖУ¿ 2016-01-28 10:01:35
t=0:0.1:3;
b=cell(31,1);
c=cell(31,1);
d=cell(31,1);
a=cell(31,1);
i=1;
for t=0:0.1:3
    b{i,1}=[cos(500)*t,-sin(500)*t,0;sin(300)*t,cos(300)*t,0;0,0,1];
    c{i,1}=[3*cos(1000)*t;3*sin(1000)*t;0];
    d{i,1}=[9*cos(500)*t;9*sin(500)*t;20*t];
    a{i,1}=b{i,1}*c{i,1}+d{i,1};
    i=i+1;
end
x=zeros(31,1);
y=zeros(31,1);
z=zeros(31,1);
for i=1:31
    x(i,1)=a{i,1}(1,1);
    y(i,1)=a{i,1}(2,1);
    z(i,1)=a{i,1}(3,1);
end
plot3(x,y,z);
4Â¥2016-01-27 22:26:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wang_chuan

Òø³æ (ÕýʽдÊÖ)

b=cell(31,1);
c=cell(31,1);
d=cell(31,1);
a=cell(31,1);
i=1;
for t=0:0.1:3
    b{i,1}=[cos(500)*t,-sin(500)*t,0;sin(300)*t,cos(300)*t,0;0,0,1];
    c{i,1}=[3*cos(1000)*t;3*sin(1000)*t;0];
    d{i,1}=[9*cos(500)*t;9*sin(500)*t;20*t];
    a{i,1}=b{i,1}*c{i,1}+d{i,1};
    i=i+1;
end
x=zeros(31,1);
y=zeros(31,1);
z=zeros(31,1);
for i=1:31
    x(i,1)=a{i,1}(1,1);
    y(i,1)=a{i,1}(2,1);
    z(i,1)=a{i,1}(3,1);
end
x_new=pi;
y_new=pi;
z_new=pi;
for j=1:31
    if x(j,1)^2+y(j,1)^2<=16
        if x_new(1,1)==pi && y_new(1,1)==pi && z_new(1,1)==pi
            x_new=x(j,1);
            y_new=y(j,1);
            z_new=z(j,1);
        else
            x_new=[x_new;x(j,1)];
            y_new=[y_new;y(j,1)];
            z_new=[z_new;z(j,1)];
        end
    end
end
plot3(x_new,y_new,z_new);
5Â¥2016-01-28 10:55:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

topliu85

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by wang_chuan at 2016-01-28 10:55:19
b=cell(31,1);
c=cell(31,1);
d=cell(31,1);
a=cell(31,1);
i=1;
for t=0:0.1:3
    b{i,1}=;
    c{i,1}=;
    d{i,1}=;
    a{i,1}=b{i,1}*c{i,1}+d{i,1};
    i=i+1;
end
x=zeros(31,1);
y=zeros(3 ...

Ϊʲô°Ñx_new,y_new,z_new³õÖµÉ趨Ϊpi?
6Â¥2016-01-28 21:50:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wang_chuan

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
6Â¥: Originally posted by topliu85 at 2016-01-28 21:50:19
Ϊʲô°Ñx_new,y_new,z_new³õÖµÉ趨Ϊpi?...

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7Â¥2016-01-29 08:06:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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