Some Mathematical Methods of PhysicsThis well-rounded, thorough treatment for advanced undergraduates and graduate students introduces basic concepts of mathematical physics involved in the study of linear systems. The text emphasizes eigenvalues, eigenfunctions, and Green's functions. Prerequisites include differential equations and a first course in theoretical physics. The three-part presentation begins with an exploration of systems with a finite number of degrees of freedom (described by matrices). In part two, the concepts developed for discrete systems in previous chapters are extended to continuous systems. New concepts useful in the treatment of continuous systems are also introduced. The final part examines approximation methods — including perturbation theory, variational methods, and numerical methods — relevant to addressing most of the problems of nature that confront applied physicists. Two Appendixes include background and supplementary material. 1960 edition. |
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Página 7
The form of the equations for the steady-state problem is obtained from (1.16) by setting all the at, equal to zero and writing F, in place of F ,(t). These problems are again specified by n2 quantities m,,-, but require in addition the ...
The form of the equations for the steady-state problem is obtained from (1.16) by setting all the at, equal to zero and writing F, in place of F ,(t). These problems are again specified by n2 quantities m,,-, but require in addition the ...
Página 10
Thus, suppose it is desired to evaluate 22,2, where Zr 2 mia'xi J The result is obtained by the following ... was written once with j as the summation index and once with k as the summation index in order to obtain the final result.
Thus, suppose it is desired to evaluate 22,2, where Zr 2 mia'xi J The result is obtained by the following ... was written once with j as the summation index and once with k as the summation index in order to obtain the final result.
Página 11
time-dependent elements is obtained by replacing each element of the matrix with its time derivative. Thus. (Lm). :41”. d1 1; dl. (a). Zadt. i dt The product of two matrices is a somewhat complicated concept which will be discussed ...
time-dependent elements is obtained by replacing each element of the matrix with its time derivative. Thus. (Lm). :41”. d1 1; dl. (a). Zadt. i dt The product of two matrices is a somewhat complicated concept which will be discussed ...
Página 12
Using the above description of the process of multiplication of a row into a column, it is not difficult to describe the method of obtaining the if element of the matrix product mp, where m and p are any two matrices such that the ...
Using the above description of the process of multiplication of a row into a column, it is not difficult to describe the method of obtaining the if element of the matrix product mp, where m and p are any two matrices such that the ...
Página 17
At the same time, one can obtain a better understanding of the problem of solving n equations in n unknowns. Thus, consider the equation mx : y (1.46) For nonsingular m, a solution x exists for all y. For singular m, clearly a solution ...
At the same time, one can obtain a better understanding of the problem of solving n equations in n unknowns. Thus, consider the equation mx : y (1.46) For nonsingular m, a solution x exists for all y. For singular m, clearly a solution ...
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applied approximate arbitrary base vectors basis Bessel function boundary conditions Chap chapter coefficients column commute complete consider constant continuous systems contour corresponding cylindrical functions defined definition denoted determinant diagonal diagonalizable differential equation Dirac notation domain eigen eigencolumns eigenfunctions eigenvalue equation eigenvector elements evaluate expansion find finite number first follows formula Fourier given Green’s function Hence Hermitian matrix Hermitian operator infinite integral Introduction inverse Laplacian linear operator linearly independent lowest eigenvalue matrix McGraw-Hill Book Company membrane method multiplication nonsingular normal normal matrix Note number of degrees obtained orthonormality conditions perturbation plane procedure QUANTUM MECHANICS relations representation result Ritz method satisfies satisfy scattering solve specified spherical spherical harmonics string Substitution theorem theory tion trial functions vanish variable vector space verified wave write written yields York zero
Información bibliográfica
| Título | Some Mathematical Methods of Physics Dover Books on Physics |
| Autores | Gerald Goertzel, Nunzio Tralli |
| Editor | Courier Corporation, 2014 |
| ISBN | 048679332X, 9780486793320 |
| Largo | 320 páginas |
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