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點擊上方藍字和“好玩的MATLAB”一起快樂玩耍吧!
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1 s; T% i5 j, V5 R好玩的matlab
& A+ m& i' ]0 i" q% I+ z E9 R; N帶你喜歡不一樣的matlab新玩法4 g/ U) f. k5 J9 F) [
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今天有空整理一下抖音“好玩的matlab”的視頻源碼,分享一下供大家學習參考。$ Z+ O5 J v# _1 W0 g, [) L \
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視頻效果
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/ d/ X p5 I1 |- g6 J/ e4 N; `. }8 v源碼如下- }& c8 k0 c& i' Q/ I
clear ;clc;close all;Np = 100; % 空間點數dx = 2*pi/Np; % 步長x = 0:dx:(6*pi); % x 范圍
: C/ k" T% y8 w$ o8 of1sin = sin(x); f1cos = cos(x);
0 q ^0 C& n1 `% }Nt = 100; % 圓上的點數dtheta = 2*pi/Nt; % 圓上的點步長theta = 0:dtheta:2*pi; % 旋轉2pi
) R5 m' s; a% i: D$ E0 K% 畫圓x1=cos(theta);y1=sin(theta);
: P( n* h! o! q3 I" oLx=length(x);Lw=2; Fs=12;f1=figure('color',[0,0,0]);' `: L( {. s* A+ w0 L
pausefor i=1:length(x) %disp([num2str(i) ' of ' num2str(Lx)]) clf; sp1=subplot(1,2,1); % -- 1st harmonic --- plot(x1,y1,'-.m','LineWidth',1); hold on; grid on; line([0 f1cos(i)],[0 f1sin(i)],'Color','w','LineWidth',1,'LineSmoothing','on'); set(sp1,'Position',[0.0400 0.1800 0.4 0.677],'color',[0,0,0],'XColor',[1 1 1],'YColor',[1 1 1]) xlim([-2.5 2.5]); ylim([-2.5 2.5])% axis equal [xf1, yf1] = ds2nfu(sp1,f1cos(i),f1sin(i)); % Convert axes coordinates to figure coordinates for 1st axes line(f1cos(i),f1sin(i),10,'LineStyle','-.','MarkerSize',8,'MarkerFaceColor','b','color','b') sp2=subplot(1,2,2); % -- 1st harmonic --- plot(x(1:i),f1sin(1:i),'LineWidth',Lw,'Color','b'); hold on; grid on; ylim([-2.5 2.5]); xlim([0 19]) set(sp2,'Position',[0.48 0.178200 0.49 0.680],'color',[0,0,0],'XColor',[1 1 1],'YColor',[1 1 1]); % Convert axes coordinates to figure coordinates for 1st axes [xg1, yg1] = ds2nfu(x(i),f1sin(i)); annotation('line',[xf1 xg1],[yf1 yg1],'color','g','LineStyle',':','LineWidth',2); pause(0.00001);end% X$ U- `& @7 J, x( z
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function varargout = ds2nfu(varargin)%% Process inputsnarginchk(1, 3);% Determine if axes handle is specifiedif length(varargin{1})== 1 && ishandle(varargin{1}) && strcmp(get(varargin{1},'type'),'axes') hAx = varargin{1}; varargin = varargin(2:end);else hAx = gca;end;errmsg = ['Invalid input. Coordinates must be specified as 1 four-element 3 e6 V( O/ C$ L5 \$ e- N
' ... 'position vector or 2 equal length (x,y) vectors.'];
^/ C$ g9 q+ b% O$ @% Proceed with remaining inputsif length(varargin)==1 % Must be 4 elt POS vector pos = varargin{1}; if length(pos) ~=4, error(errmsg); end;else [x,y] = deal(varargin{:}); if length(x) ~= length(y) error(errmsg) endend
7 _6 \& B$ G7 A( `. z3 ^) f%% Get limitsaxun = get(hAx,'Units');set(hAx,'Units','normalized');axpos = get(hAx,'Position');axlim = axis(hAx);axwidth = diff(axlim(1:2));axheight = diff(axlim(3:4));
) b! B X0 B9 X2 ]8 A. @( d' q2 O%% Transform dataif exist('x','var') varargout{1} = (x-axlim(1))*axpos(3)/axwidth + axpos(1); varargout{2} = (y-axlim(3))*axpos(4)/axheight + axpos(2);else pos(1) = (pos(1)-axlim(1))/axwidth*axpos(3) + axpos(1); pos(2) = (pos(2)-axlim(3))/axheight*axpos(4) + axpos(2); pos(3) = pos(3)*axpos(3)/axwidth; pos(4) = pos(4)*axpos(4)/axheight; varargout{1} = pos;end& E) [2 t$ A) l# w
%% Restore axes unitsset(hAx,'Units',axun)- j. G) M9 W9 g& [% K6 T, p
往期精彩回顧
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& Y9 K1 y- V$ ~6 W4 r$ F推薦 | 源碼分享
* j* e, L( k4 \推薦| 【高級繪圖】MATLAB怎么將圖形局部放大
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