the correction between these n pairs of rank is called the rank correlation in the characteristics A and B for that group of individuals.
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Moments are the statistical tools used to describe the characteristics of a distribution. moments are the arithmetic means of first, second, third and fourth.
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When one task is to be assigned to one person in such a way that the total person hours are minimized, then this kind of problem is known as assignment problem.
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The method of variation of parameters is the general method which we use to find out a particular solution of a differential equation by replacing the constants in the solution of the homogeneous differential equation by functions and evaluating these functions so that the original DE will be satisfied.
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Numerical integration is the method to calculate the approximate value of the integral by using numerical techniques.
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This method was given by Leonhard Euler. Euler’s method is the first order numerical method for solving ordinary differential equations with given initial value.
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The characteristic equation is the equation which is used to find the Eigenvalues of a matrix. This is also called the characteristic polynomial.
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The integration of a function of a complex variable along an open or close curve in the plane of the complex variables is known as complex integration. Cauchy’s integral theorem is the part of complex integration.
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functions play an important role in mathematics. A function defines a specific correlation between the two data sets. Beta and gamma functions are from the group of Euler’s integral functions.