I am using Mathcad 14 and have Mathcad work sheets from many years ago in which I used the function splin2, but it does not work now (error). Bard AI search says the function has been "deprecated" in Mathcad 14, but the "the Mathcad Classic add-in" can add the splin2 function back into my Mathcad 14 program.
Can you help me find the Mathcad Classic add-in?
Bard AI has made a good guess, but there never was a "Mathcad Classic add-in".
With Mathcad 11 through 14 you could buy a function pack, called Data Analysis Extension Pack, which contained a function Spline2 (NOT splin2):
<function>
<name>Spline2</name>
<local_name>Spline2</local_name>
<params>vx, vy, n, [vw], [u], [level]</params>
<category>Data Analysis</category>
<description>Returns the optimal set of order-n B-spline knots to interpolate on data vx and vy, with optional weights vw, optional desired knots u, and an optional reject level. Output is used with Binterp.</description>
<help_topic>Interpolation.htm#Spline2</help_topic>
</function>
That same extension pack, containing the same function, is also integrated with Mathcad 15, so it wasn't deprecated in the mean time.
The downside is that the Extension Pack was an extra that you had to buy. Low chance that you will find it for free...
You might take a look at the function cspline or bspline for a replacement.
Note that the function Spline2 is also built-in into Prime.....
Success!
Luc
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