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点击上方蓝字和“好玩的MATLAB”一起快乐玩耍吧!
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带你学会不一样的matlab新玩法
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之前的推文介绍了MATLAB怎么画( ]! r" K2 ?& @# J( Q3 T
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$ A k4 y( w, s5 s* Z送对象,今天教大家怎么用MATLAB画
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送对象。没有对象的可以送室友也是不错选择!' |% |4 m+ P K' N, ~* {
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MATLAB画
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9 }) M2 _; q+ e2 w效果如下:
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lawanx2btld64029971022.png
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| MATLAB源码:9 Y* c/ ^+ B ?- E5 W9 {
clc;clear;close all;m=0:.01:1;[R,T]=ndgrid(m,-.6:.01:20);x=1-(5/4*(1-mod(3.6*T, 2)).^2-1/4).^2/2;P=pi*exp(-T/8)/2;s=sin(P);c=cos(P);y=2*R.^2.*(1.3*R-1).^2.*s;S=x.*(R.*s+y.*c);X=S.*sin(T*pi);Y=S.*cos(T*pi);Z=R.*c-y.*s;figure('color',[0,0,0])surf(X,Y,x.*Z,hypot(hypot(X,Y),Z*.9));shading interpaxis equal offm(2:3,:)=0;colormap(m')6 x m. P/ M$ P
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MATLAB画1 }! ~" r; h) A3 W" n
$ ?* Q7 t8 x, Y4 t效果如下:! N6 F* g4 y6 c6 K5 U
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6 g ^9 a, v0 k: q% I4 u | MATLAB源码:
" R) W" I+ j$ }" a: Z5 jn=800;p=pi;[R,T]=ndgrid(linspace(0,1,n),linspace(-2,20*p,n));x=1-(.5)*((5/4)*(1-mod(3.6*T,2*p)/p).^2-.25).^2;U=2*exp(-T/(8*p));L=sin(U);J=cos(U);y=1.99*(R.^2).*(1.2*R-1).^2.*L;K=x.*(R.*L+y.*J);X=K.*sin(T);Y=K.*cos(T);Z=x.*(R.*J-y.*L);surf(X,Y,Z,'LineStyle','none')grid,axis off;colormap(cool)037 p( b- y" J6 `. U1 i8 s9 a+ m" C
MATLAB画9 b/ r2 d( B ?" u6 R% S" [ X
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效果如下:
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t1pbcaa24ck64029971622.png
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c3xsj1mlvkb64029971822.png
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| MATLAB源码:
6 H5 N6 [$ }) _: jclc;clear;close all;n=800;p=pi;[R,T]=ndgrid(linspace(0,1,n),linspace(-2,20*p,n));x=1-(.5)*((5/4)*(1-mod(3.6*T,2*p)/p).^2-.25).^2;U=2*exp(-T/(16*p));L=sin(U);J=cos(U);y=1.99*(R.^2).*(1.2*R-1).^2.*L;K=x.*(R.*L+y.*J);X=K.*sin(T);Y=K.*cos(T);Z=x.*(R.*J-y.*L);figure('color',[0,0,0])surf(X,Y,Z,'LineStyle','none')axis off;colormap(colorcube)
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MATLAB画
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; ]2 N' F6 o& g$ J6 Y效果如下:
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5ozagi44dbp64029971923.png
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# k6 {& d: h+ ?1 E+ `+ S; dMATLAB源码:
% M2 @! C7 W6 E' ^5 _( Nclc;clear;close all;n=800;p=pi;[R,T]=ndgrid(linspace(0,1,n),linspace(-2,20*p,n));x=1-(.5)*((5/4)*(1-mod(3.6*T,2*p)/p).^2-.25).^2;U=2*exp(-T/(8*p));L=sin(U);J=cos(U);y=1.99*(R.^2).*(1.2*R-1).^2.*L;K=x.*(R.*L+y.*J);X=K.*sin(T);Y=K.*cos(T);Z=x.*(R.*J-y.*L);figure('color',[0,0,0])surf(X,Y,Z,'LineStyle','none')grid,axis off;colormap(hsv)
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6 Y9 D! A! m& g4 S8 k知识点拨:& Z ]1 |3 N3 T. K
修改colormap参数就可以绘制其他风格的玫瑰
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" q) |- ]3 K& C,参数设定如下:
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turbo( n5 D4 H# C* q7 N- J# ]/ C T S4 }
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hot$ x# D5 D" b% m6 {& X
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summer
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gray
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bone
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END
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MATLAB好书推荐:
" J* x( ~$ @; M8 K( k参考资料:+ ^" B" Z% c6 p7 @5 s. C
【1】https://idmatlab.blog.csdn.net/article/details/859416511 _5 `9 B8 b) R) S" y
【2】https://ww2.mathworks.cn/help/matlab/ref/colormap.html0 E+ U) V6 ]" ~* j
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往期精彩回顾# w: \% Y- \+ `, m/ y! ]2 R' W

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