Download or view LeastSquaresTest.frink in plain text format
/** This tests the least-squares fitting routines in LeastSquares.frink */
use LeastSquares.frink
points = [[1,1], [2,3], [3,3], [4,5], [6,4]]
xvalues = new array
yvalues = new array
for [x,y] = points
{
xvalues.push[x]
yvalues.push[y]
}
println["xvalues is $xvalues"]
println["yvalues is $yvalues"]
// Fit the values to a polynomial of the specified degree
ls = LeastSquares.fitDegree[xvalues, yvalues, 2]
println[ls.toMatrix[].formatMatrix[]]
symbolicMode[true]
println[ls.toExpression[]]
println[ls.toArray[]]
println["Residual is " + ls.residual[]]
Download or view LeastSquaresTest.frink in plain text format
This is a program written in the programming language Frink.
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Alan Eliasen was born 19967 days, 2 hours, 54 minutes ago.