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1. With the theory of quadratic form, this essay gives out another way to solve the extremum problems of multi-variable functions.

2. Given a response surface equation in quadratic form, the Six Sigma.

3. Then using the Zhengding quadratic form theory, had proven a function of many variables condition extreme value's sufficient condition, and has given its application example.

4. The theory of quadratic form is of very extensive application.

5. Given a response surface equation in quadratic form, The Six Sigma Black Belt will be able to compute the stationary point.

6. Given a response surface equation in quadratic form, the Six Sigma Black Belt will be able to compute the stationary point.

7. Using these formulae, we can, directly, optimize the prototype filter coefficients in a quadratic form.

8. The paper gives a number of methods for differentiating half positive definite quadratic form and some relevant properties in respect to half positive definite corresponding coefficient matrix.

9. In this paper, we use the theory of symmetric bilinear function to solve problems of quadratic form, and finally give a proof of the inertia theorem.

10. By introducing theories of matrix, this paper presents a calculation method for the rank of the quadratic form in quadratic sum resolution.

11. This paper proves some Hadamard inequalities from the qualities of positive definite quadratic form.sentencedict.com/quadratic form.html

12. Firstly, some new conceptions such as component function matrix and generalized quadratic form function are presented.

13. In this paper, the author proves that there exists nondecomposable quaternionic integral quadratic form of no less than 7 variables.

14. In order to resolve the shortage, the thesis chooses the linear quadratic form optimal controller design scheme by applying linear state feedback control of the modern optimal control theory.

15. So when 2 is invertible, this can be used as the definition of a quadratic form.

16. Under the condition that the elastic energy function holds quadratic form, the numerical stimulation of dynamic rod is given.

17. This paper deals with the linear systems with parametric faults. A control strategy based on the linear quadratic form is proposed.

18. The content of linear algebra determinant, matrices, linear equations, characteristic values and real quadratic form and so on.

19. Then, by introducing a corresponding Krein space stochastic system and applying projection and innovation analysis, the minimum of indefinite quadratic form and its existence condition are derived.

20. The concavity and convexity of the pluralistic quadratic function is discussed with quadratic form and simple methods are given to recognize concavity and convexity .