Trapezium rule
What Trapezium rule means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Trapezium rule
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Reference: WJEC
Approximates a definite integral by dividing the area under the curve into n strips of equal width, each strip treated as a trapezium with parallel vertical sides.
A numerical integration technique that divides the interval into strips of equal width and sums trapezium areas to estimate the area under a curve.
Replaces the area under y = f(x) between x = a and x = b with n strips of equal width, each strip being a trapezium.
A numerical integration method that estimates an area by summing trapezia formed from straight-line chords between ordinates.
Topics that use Trapezium rule
- I: Numerical methods (AQA A-Level)
- Numerical methods (Pearson Edexcel A-Level)
- Numerical Methods (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
- Overarching themes - Mathematical problem solving (WJEC A-Level)
Related terms
- Newton-Raphson method
- change of sign
- cobweb diagram
- Concave up
- Convergence
- divergence
- Fixed point
- fixed-point iteration
Using Trapezium rule in the exam
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