colorbar problem in surf plot?

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SANDEEP SINGH RANA 2021 年 8 月 18 日
編集済み: darova 2021 年 8 月 18 日
I want to plot 3D graph using 3 parameters but there is error in plotting colorbar. Matrix size of parameters and code to plot graph is as follow:
Tx_power =0:2:40; 1*21 Matrix size
Position =1:21; 1*21 Matrix size
F_cap = 21*21; Matrix size
C= Tx_power.* Position;
surf(Tx_power,Position,F_cap, C);
Error is:
Colorbar is not ploting and if i remove colorbar, it is working fine. And if colobar is ploting then, it is not ploting graph(i.e. F_cap parameter).
Please help

回答 (1 件)

Simon Chan
Simon Chan 2021 年 8 月 18 日
I guess the code should be like that:
Tx_power =0:2:40; %1*21 Matrix size
Position =1:21; %1*21 Matrix size
%F_cap = 21*21; % Matrix size (Not use)
[X,Y]=meshgrid(1:21,1:21); % Make a grid with size 21x21
C= Tx_power(X).*Position(Y); % Calculate C which in 2D, previous is 1D only
surf(Tx_power,Position, C);
  2 件のコメント
Simon Chan
Simon Chan 2021 年 8 月 18 日
Try the following, hope this is what you want.
[t,tp] = meshgrid(1:21,0:2:40); % (Edit) Added this line after switching between x & y
ylabel('Tx_power (dBm)')
xlabel('simulated positions')
zlabel('Throughput in (MBps)');


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