Integral (English)
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Definition (advanced level)
The integral of a function gives the area under any section of the graph of that function. Not all functions have an exact formula which does this, so sometimes we have to use numerical integration, i.e. estimating the area under the graph using numerical techniques.
Relations
- broader:
- (en) Expression
- (en) Limit
- narrower:
- (en) Antiderivative
- (en) Contour integral
- (en) Curvilinear integral
- (en) Definite integral
- (en) Elliptic integral
- (en) Fourier transform
- (en) Improper integral
- (en) Indefinite integral
- (en) Lebesgue integral
- (en) Multiple integral
- (en) Specific integral
- (en) Surface integral
- references:
- (en) Calculus
- (en) Calculus of variations
- (en) Numerical integration
- referenced:
- (en) Area integral over a closed surface
- (en) Convolution
- (en) Differential equation
- (en) erf
- (en) Error function
- (en) Fourier coefficients
- (en) Gamma function
- (en) Laplace transform
- (en) Volume of revolution
- (en) Work
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