Abstract: This article briefly describes the definite integral in geometry, physics and elementary mathematics and other applications. In this section, the main use of the "micro-element method," the idea in theory to solve practical problems.
Distribution range of the definite integral is the overall volume. Because the overall composition by local, so the actual problem is abstracted as the definite integral, we must focus on the whole, from the local start. For example, in seeking irregular curved quadrilateral plane size of the area, we tend to be translated into the problem points to achieve the purpose of solving problems. (First find the area of micro-curved quadrilateral element, in the range of office to take a little x, at point x on the area of micro-yuan, is "high" for the f (x), width of the rectangular area of the differential, that is. (Rectangular area = height × width) another example, the use of fixed points find x = 5cost, y = 4sint the perimeter of the elliptic curve, and three-dimensional volume, etc., and a brief discussion of the definite integral of a simple application in physics, but also a brief introduction the definite integral in the basic use of elementary mathematics. Abstract: This article briefly describes the definite integral in geometry, physics and elementary mathematics and other applications. In this section, the main use of the "micro-element method," the idea in theory to solve practical problems.
Distribution range of the definite integral is the overall volume. Because the overall composition by local, so the actual problem is abstracted as the definite integral, we must focus on the whole, from the local start. For example, in seeking irregular curved quadrilateral plane size of the area, we tend to be translated into the problem points to achieve the purpose of solving problems. (First find the area of micro-curved quadrilateral element, in the range of office to take a little x, at point x on the area of micro-yuan, is "high" for the f (x), width of the rectangular area of the differential, that is. (Rectangular area = height × width) another example, the use of fixed points find x = 5cost, y = 4sint the perimeter of the elliptic curve, and three-dimensional volume, etc., and a brief discussion of the definite integral of a simple application in physics, but also a brief introduction the definite integral in the basic use of elementary mathematics.