Surface Plot using excel file as a source
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Hello,
I am a new user to Matlab and I am trying to create a surface plot for data analysis, so it would be great if you can assist a fellow newbie.
Attached you will find a sample xls file .
When I am running the below script I am getting an error with the message "Data dimensions must agree."
Did I miss something? Thanks in advance and any help will be much appreciated.
filename = PlotData.xlsx';
num = xlsread(filename) ;
x = num(2:end,1) ;
y = num(1,2:end) ;
Z = num(2:end,2:end) ;
surf(x,y,Z)
采纳的回答
Mathieu NOE
2021-5-19
hello Andreas
simply , you inverted x and y vectors
this is correct :
filename = 'PlotData.xlsx';
num = xlsread(filename) ;
x = num(1,2:end) ;
y = num(2:end,1) ;
Z = num(2:end,2:end) ;
surf(x,y,Z)
更多回答（1 个）
KSSV
2021-5-19
x = A(1,2:end) ;
y = A(2:end,1) ;
Z = A(2:end,2:end) ;
surf(x,y,Z) ;
2 个评论
KSSV
2021-5-19
surf(x,y,Z')
or
surf(y,x,Z)
The above also will work along with the answer given.
Andreas Kerasiotis
2021-5-20
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