Integral sliding mode

In mathematics, a summation equation or discrete integral equation is an equation in which an unknown function appears under a summation sign. The theories of summation equations and integral equations can be unified as integral equations on time scales using time scale calculus. A summation equation compares to a difference equation as an integral equation compares to a differential equation.

The Volterra summation equation is:

$x(t)=f(t)+\sum _{i=m}^{n}k(t,s,x(s))$

where x is the unknown function, and s, a, t are integers, and f, k are known functions.

References

• Summation equations or discrete integral equations

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