Z must be a matrix, not a scalar or vector
4 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
Kundan Prasad
am 17 Aug. 2021
Kommentiert: Kundan Prasad
am 19 Aug. 2021
clc
clear all
R=10;
f=0.5;
s=50;
N=36;
a=f/(s*N);
Ax=0.002;
Ay=0.002;
lx=2.5;
ly=2.5;
n=((R*s*N)/f)+1;
for i=1:n
r(i)=(R-((i-1)*a));
theta(i)= ((i-1)*(2*pi/N));
x(i)=(r(i)*cos(theta(i)));
y(i)=(r(i)*sin(theta(i)));
[xx(i),yy(i)]=meshgrid(x(i),y(i));
Z(i)=((Ax*cos(2*pi*xx(i)/lx))+(Ay*cos(2*pi*yy(i)/ly)));
end
surf(xx,yy,Z);
2 Kommentare
Akzeptierte Antwort
Matt J
am 17 Aug. 2021
Bearbeitet: Matt J
am 17 Aug. 2021
R=10;
f=0.5;
s=50;
N=36;
a=f/(s*N);
Ax=0.002;
Ay=0.002;
lx=2.5;
ly=2.5;
n=((R*s*N)/f)+1;
for i=1:n
r(i)=(R-((i-1)*a));
theta(i)= ((i-1)*(2*pi/N));
x(i)=(r(i)*cos(theta(i)));
y(i)=(r(i)*sin(theta(i)));
% [xx(i),yy(i)]=meshgrid(x(i),y(i));
Z(i)=((Ax*cos(2*pi*x(i)/lx))+(Ay*cos(2*pi*y(i)/ly)));
end
T=delaunayTriangulation(x(:),y(:));
trisurf(T.ConnectivityList,x(:),y(:),Z(:),'EdgeColor','none','FaceAlpha',0.6);
view(-80,75)
4 Kommentare
Matt J
am 17 Aug. 2021
You're welcome, but please Accept-click the answer to indicate that it worked.
Weitere Antworten (1)
Kundan Prasad
am 18 Aug. 2021
10 Kommentare
Walter Roberson
am 19 Aug. 2021
R=10;
f=0.5;
s=50;
N=100;
a=f/(s*N);
Ax=2;
Ay=2;
lx=2.5;
ly=2.5;
n=((R*s*N)/f)+1;
roff = 1;
Zoff = 1;
r(0+roff)=0;
Z(0+Zoff)=0;
t=0.1;
Pi = (pi);
for i=1:n
r(i+roff)=(R-((i-1)*a));
theta(i)= ((i-1)*(2*Pi/N));
x(i)=(r(i+roff)*cos(theta(i)));
y(i)=(r(i+roff)*sin(theta(i)));
Z(i+Zoff)=((Ax*cos(2*Pi*x(i)/lx))+(Ay*cos(2*Pi*y(i)/ly)));
m(i) = ((Z(i-1+Zoff) - Z(i+Zoff))./(r(i-1+roff)-r(i+roff)));
newth(i) = atan(-m(i));
G(i)=r(i+roff)-(t*sin(newth(i)));
H(i)=Z(i+Zoff)+(t*cos(newth(i)))-t; %% THE compensate value of G and H
% needed to calculate from the previous value of r(i) and Z(i)
end
T=delaunayTriangulation(x(:),y(:));
trisurf(T.ConnectivityList,x(:),y(:),H(:),'EdgeColor','none','FaceAlpha',0.6);
view(-80,75)
Siehe auch
Kategorien
Mehr zu Numbers and Precision finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!