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Utilities+® User Manual
RF/Microwave Design Utility Programs
 


LINEAR FIT


This program does a straight line linear interpolation between two points, identified as ordered pairs, (X1,Y1) and (X2,Y2). You then input X and it calculates the corresponding value of Y.


                 Linear Fit

                 Straight line linear interpolation between two points (X1,Y1)
                 and (X2,Y2).

                 Note: X1 must be < X2

                 Enter X1,Y1 [<Enter>=Quit] ? _


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Given the two ordered pairs (1.5,.8) and (4,3.1), what is Y for X=3 ?

Enter X1,Y1 above as "1.5,.8" at the prompt up above and then press <Enter>. At the second prompt, enter "4,3.1" and press <Enter> once again.

Next, you're asked to enter a value for X:

                 Enter X: ? _

Input "3" and press <Enter>.

Here is the output calculation:

                 Y = 2.1800

Press <Enter> to return to the Main Menu.

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