3D Plot from xls

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SYML2nd
SYML2nd 2019-4-5
回答： darova 2019-4-5
Hi all,
I am a new user of Matlab, I have a file .xlsx and I would like to plot a 3d graph of these data. Unfortunately I was not able to find a way to plot it. Can you help me?
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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-4-5
编辑：KALYAN ACHARJYA 2019-4-5
plot a 3d graph of these data.
There are 8 Columns and first element cell in exel file is blank. Plot vs ????
SYML2nd
SYML2nd 2019-4-5
The first column are the seconds, the firs raw represents the coordinates in x and the other values are the kinetic energy

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darova
darova 2019-4-5
clc,clear
A = xlsread('Prova.xlsx');
t = A(2:end,1);
x = A(1,2:end);
Z = A(2:end,2:end);
surf(x,t,Z)

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