Lagrange Interpolation Calculator
Interpolate using Lagrange polynomials
公式
P(x) = Σ yᵢ Πⱼ≠ᵢ (x-xⱼ)/(xᵢ-xⱼ)
Lagrange polynomial passes through all given data points.
示例
(1,1),(2,4),(3,9) at x=2.5
P(2.5) = 6.25 (matches x²).
常见问题
关于 Lagrange Interpolation
Interpolate values using Lagrange polynomial.