This chapter discusses the approximation functions in 3D space. Such function values depend on two variables (instead of the one variable that was discussed in the preceding chapters). Figure 12-1 shows the chart of the 3D function we consider in this chapter.
Figure 12-1
Chart of the function in 3D space
Example: Approximation Functions in 3D Space
The function has the following formula: z(x, y) = ...
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