Numerical integration approximates definite integrals using weighted sums of function values.
What Is Numerical Integration?
Numerical integration approximates definite integrals using weighted sums of function values.
Examples of Numerical Integration
1
The trapezoidal rule approximates area under a curve.Formula and Key Points
Formula / rule
Trapezoid: (b−a)[f(a)+f(b)]/2
- Know the definition and standard notation for Numerical Integration.
- Be able to recognise or compute numerical integration in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used when software must approximate roots, integrals, equations or other quantities that have no convenient exact solution.
Related Math Terms
Numerical Integration: Frequently Asked Questions
What is Numerical Integration?
Numerical integration approximates definite integrals using weighted sums of function values.
Why is Numerical Integration useful in computer science?
Used when software must approximate roots, integrals, equations or other quantities that have no convenient exact solution.