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Table Interpolation in Autodesk Inventor

By David Melvin, PE, TEDCF Publishing

If you’ve wondered how Autodesk Inventor uses linear interpolation to find values that are not listed in a table, read this short tip.

The table below could be for anything, but let’s say it’s a form of a bend table. The column headings are bend radii in millimeters, and the rows are bend angles.

Table Interpolation in Autodesk Inventor tat48-1

Let’s also say that Inventor searches the table and finds an exact match for the bend angle. It matches with Row-1. The next step is to find a match for the bend radius, which is 5 mm, but there is no match. So Inventor interpolates the value.

Imagine adding a new column to the table containing the column heading for 5 mm.

Table Interpolation in Autodesk Inventor tat48-2

Our goal is to solve…

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