cubic Bezier least square fitting: plot2d_bz_org_intrp_cp(Mat,MatI,p0mat,p1mat,p2mat,p3mat) - File Exchange

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cubic Bezier least square fitting

FindBezierControlPointsND(p,v... INPUT
Q=bezierInterp(P0,P1,P2,P3,va... Bezier interpolation for given four control points.
[MatGlobalInterp]=BezierInter... % Cubic Bezier interpolation of control points based on segmentation values of
[MatOut]=FindGivenRangeMatche... i stands for index, v stands for value
[p0mat,p1mat,p2mat,p3mat,fbi,... Approximation of data by Cubic Bezier Curves.
[p0mat,p1mat,p2mat,p3mat,tout... % Find Cubic Bezier Control Points of given segments
[sqDistAry,indexAryGlobal]=Ma... There are two matrices mat1 & mat2
[squaredmax,rowIndex]=MaxSqDi... % find max. square distance and corresponding row index
ans=isvec(x) return 1 if input argument is vecotor else return 0
plot2d_bz_org_intrp_cp(Mat,Ma... % plot original data, interpolated data, control points of bezier curve
vout=getcolvector(vin) % if vin is row vector change it to column vector then return it.
main.m
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from cubic Bezier least square fitting by Dr. Murtaza Khan
Approximation of data using cubic Bezier curve least square fitting

plot2d_bz_org_intrp_cp(Mat,MatI,p0mat,p1mat,p2mat,p3mat)

% % plot original data, interpolated data, control points of bezier curve
% Mat: original data
% MatI: approximated (fitted) data
% p0mat,p1mat,p2mat,p3mat: control points

function plot2d_bz_org_intrp_cp(Mat,MatI,p0mat,p1mat,p2mat,p3mat)

lw=2; %line width

plot(Mat(:,1),Mat(:,2),'b','Linewidth',lw);               % original data
plot(MatI(:,1),MatI(:,2),'g','Linewidth',lw);                                     % interpolated
bpx=[p0mat(:,1);p3mat(end,1)];
bpy=[p0mat(:,2);p3mat(end,2)];
plot(bpx,bpy,'ro','Linewidth',lw);                                                
legend('Original Data','Fitted Data','Break Points','Location','SouthEast');

% plot([p1mat(:,1),p2mat(:,1)],[p1mat(:,2),p2mat(:,2)],'rd','Linewidth',lw)
% ;    % middle control points

% % % --------------------------------
% % % Author: Dr. Murtaza Khan
% % % Email : drkhanmurtaza@gmail.com
% % % --------------------------------

Highlights from cubic Bezier least square fitting

Highlights from
cubic Bezier least square fitting