Most data was scattered, and there is no gird.
There are three data [c] in three different area [x,y].
x=[1 3 4];
y=[1 2 1];
c=[2 3 5];
Estimate data value in x=2.6, y=1.4 using interpolation. x,y,c are used as inputs.
(hint: use griddata)
given 3 sides, find area of this triangle
Find the "ordinary" or Euclidean distance between A and Z
Rotate matrix by -90 degrees
Calculate cosine without cos(x)
Calculate area of sector
Print true if
Change string to number
Calculate geostrophic current
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