Matlab 3D plot for interpolation

Hi guys

I have 4 sets of data
each set of data include 3 variables: voltage, throttle and thrust
how do i plot a 3D surface in matlab?

I've tried using [X,Y] = meshgrid(x,y)
but the problem is with meshgrid
you will need a function z in terms of x and y
for e.g.
Z = X .* exp(-X.^2 - Y.^2);   
And my trouble is I don't have a function z

Is there a simpler way of just plotting a 3D surface given 3 variables

Attached below is my data set 

Appreciate any help

Data set.xlsx

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