API Reference > core-geometry > Bspline > KnotVector > evaluateBasisFunctions1

evaluateBasisFunctions1 Method

Evaluate basis functions f[], derivatives df[], and optional second derivatives ddf[] at knot value u.

evaluateBasisFunctions1(knotIndex0: number, u: number, f: Float64Array, df: Float64Array, ddf?: Float64Array): void

Parameter Type Description
knotIndex0 number  
u number knot value for evaluation
f Float64Array array of order basis function values
df Float64Array array of order basis derivative values
ddf Float64Array array of order basis second derivative values

Returns - void

Defined in

Last Updated: 20 June, 2023