Shelvean Kapita
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Diff Eq
Linear Algebra
Numerical Methods
Polynomial Interpolation
Monomial
Lagrange
Newton
Hermite
Natural Cubic Spline
Clamped Cubic Spline
Custom points
From function
$x$ values (comma separated):
$y=f(x)$ values (comma separated):
$f'(x)$ values (comma separated, empty for missing):
$f'(x)$ at endpoints (comma separated, first and last):
Function: e.g., $\sin(x)$ or $1/(1+x^2)$:
Range start $a$:
Range end $b$:
Number of points (2-16):
Node type:
Equispaced
Chebyshev
Examples
Points Data
Runge's Phenomenon
Function + Derivative (Hermite)
Function Only (Newton)
Runge + Cubic Spline
Compute
Clear All
Display Interpolating Polynomial
Display Divided Differences Table
Display Matrix System
Display Interpolation Points
Download Graph as PNG
Evaluate the interpolant at points (comma separated):
Evaluate