Conversion of double to structure error?

Question

sriram amarnath 2019-7-23

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/472959-conversion-of-double-to-structure-error

编辑： Walter Roberson 2019-7-26

Lx=0.286; % length of plate(m)
Lz=0.198; % breadth of plate(m)
xr=linspace(0,Lx,1000);% 1000 x co-ordinate points on surface
zr=linspace(0,Lz,1000); % 1000  z co-ordinate points on surface
[X,Z]=meshgrid(xr,zr);% 
m=1:1000;% mode numbers width
combo=[2 2; 2 3; 5 3]; % (n=2,m=2),(n=2,m=3),(n=5,m=3)for eq 90 & 91 notes 
psi=zeros(3,length(xr),length(zr));% initalise 
freqs=[112 445 850]; % frequency array obtained from eq 91 note(n=2,m=2),(n=2,m=3)&(n=5,m=3)
Vsh=zeros(length(m),3);% initalise video
for k=1:length(combo(:,1))
psi(k,:,:)=sin((combo(k,1)*pi.*X)/Lx).*sin((combo(k,2)*pi.*Z)./Lz);% eq 90 notes
figure
surf(X,Z,squeeze(psi(k,:,:)),'EdgeColor','interp');
xlabel('Length')
zlabel('Displacement')
ylabel('Width')
colorbar
title(['Shape Function',num2str(freqs(k)), 'Hz'])
Vsh(:,k)=getframe(gcf);% save figure to a video frame
end
close all