Data and Math

vnumerical

Root finding, numerical integration and simple ODE simulation.

Released v1.0.0 · 2026-09-28
Import
use "stdlib/numerical.ven"
vnumerical.ven
print bisection_root(make(x) give x * x - 2.0, 0.0, 2.0, 0.000001, 100)
Reference (7 functions)

API reference

bisection_root(f, low, high, tolerance, max_iterations)

Finds a root of f inside [low, high] by repeated interval halving.

bisection_root(make(x) give x * x - 2.0, 0.0, 2.0, 0.000001, 100)

newton_raphson_root(f, fprime, x0, tolerance, max_iterations)

Finds a root of f near x0 using Newton's method.

newton_raphson_root(make(x) give x * x - 2.0, make(x) give 2.0 * x, 1.0, 0.000000001, 50)

numerical_derivative(f, x, h)

Estimates the derivative of f at x by central difference.

numerical_derivative(make(x) give x * x * x, 2.0, 0.000001)

trapezoidal_integral(f, low, high, steps)

Approximates the definite integral of f over [low, high].

trapezoidal_integral(make(x) give x * x * x, 0.0, 1.0, 100)

simpsons_integral(f, low, high, steps)

Approximates the definite integral of f over [low, high].

simpsons_integral(make(x) give x * x * x, 0.0, 1.0, 10)

euler_method(f, x0, y0, x_end, steps)

euler_method(make(x, y) give y, 0.0, 1.0, 1.0, 4)

runge_kutta_4(f, x0, y0, x_end, steps)

Solves the same initial value problem as euler_method, more accurately.

runge_kutta_4(make(x, y) give y, 0.0, 1.0, 1.0, 4)

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