Accessing specificequations using BSplines

Question:Accessing specificequations using BSplines

Posted: das1404 135 Product: Maple 7

March 27 2018

Splines and BSplines etc for curve fitting.

The attached short program uses with(CurveFitting) and BS:=BSpline(2,x); outputs four expressions, the third being

2-x, x<2. I'd like to be able to access this, and plot it. but plots[display](BS[3], x=1..2); comes up with an error message.

Thanks in advance for any help.

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