What is the Difference Between Integration and Summation?
🆚 Go to Comparative Table 🆚The main difference between integration and summation lies in the nature of the values they deal with and the way they are added. Here are the key differences:
- Summation:
- Involves adding discrete values, such as natural numbers or integers (1, 2, 3, 4…).
- Uses upper and lower bounds, denoting a finite range of values.
- Represents a discrete sum.
- Integration:
- Involves adding continuous values, such as real numbers, over an uncountably infinite interval (e.g., 0 to 1).
- Uses infinitesimal increments, representing a continuous sum.
- Can be thought of as a special form of summation, where the values being added are infinitely small.
In simpler terms, summation deals with the addition of specific, countable values, while integration deals with the addition of continuous values over an uncountable set. Both processes involve adding values, but they do so in different ways and under different circumstances.
On this pageWhat is the Difference Between Integration and Summation? Comparative Table: Integration vs Summation
Comparative Table: Integration vs Summation
Here is a table summarizing the differences between integration and summation:
Difference | Summation | Integration |
---|---|---|
Definition | Summation is the process of adding a sequence of values together. | Integration is the process of finding the area under a curve by adding infinitely small rectangles (with width dx) and calculating their areas. |
Involves | Discrete values. | Continuous values. |
Applications | Summation is used to calculate the total value of a set of discrete data points. | Integration is used to find the area under a curve, the total accumulated value of a function over an interval, or the average value of a function over an interval. |
Representation | Summation is represented using the Greek letter sigma (Σ) and is commonly used with discrete data points. | Integration is represented using the integral symbol and is used with continuous functions. |
Please note that the integration process can be thought of as a continuous version of summation, where the intervals are infinitesimally small (dx).
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