Most of the readings and all practice problems are from the course text. We begin by choosing a single point to serve as the origin. How quaternions can be used to describe vector rotations in 3d space. It is a quotient of the free vector space with basis the cartesian product. For an arbitrary point space the function f is called the point difference, and it is customary to use the suggestive notation f, x y x. Applications 78 references and problems 94 appendix i. Linear vector spaces and cartesian tensors is primarily concerned with the theory of finite dimensional euclidian spaces. Vector and tensor analysis is a new work, first published by dover publications, inc. Consider our action on this expansion we observe that dimv dimv. Without matlab the reader will be at a disadvantage. Chapter 10 vectors and tensors georgia institute of. Of course, the vector v, which is invariant by definition, is neither contravariant or covariant. If a tensor is a linear combination of monomials all of the same length k, the. Cartesian tensors 7 rank tensor and is a vector first rank tensor.
Scalars are often taken to be real numbers, but there are also vector spaces with scalar multiplication by complex numbers, rational numbers, or generally any field. This is an introduction to the concepts and procedures of tensor analysis. Hi, i have a problem understanding the difference between cartesian product of vector spaces and tensor product. It makes a careful distinction between real and complex spaces, with an emphasis on real spaces, and focuses on those elements of the theory that are especially important in applications to continuum mechanics. In preparing this two volume work our intention is to present to engineering and science students a modern introduction to vectors and tensors. It is straightforward to show that has the relevant transformation properties. Vector spaces, cartesian bases, handedness of basis indices and the summation convention, the kronecker delta and levicevita epsilon symbols, product of two epsilons rotations of bases, orthogonal transformations, proper and improper transformations, transformation of vectors and scalars. If w is another vector space over f, then a mapping t. The rest of the course is divided into three parts. Vectors and vector spaces e1 1,0 e2 0,1 1,0 0,1 0,0 1 2 e graphical representation of e1 and e2 in the usual two dimensional plane. Kicking off the linear algebra lessons, lets make sure were all on the same page about how specifically to think about vectors in this context. A euclidean point space is not a vector space but a vector space with inner product is made a euclidean point space by defining f, vv v v12 1 2. That is, a classical vector is the difference of two points ine 3. I have been searching for quite a long time, and havent been able to find any good reference about the cross product between a vector and a tensor.
Linear transformations 18 references and problems 36 3. W of two vector spaces v and w over the same field is itself a vector space, endowed with the operation of bilinear composition, denoted by. The index i may take any of the values 1, 2 or 3, and we refer to the. There are many physical laws for which a secondorder tensor is an oper. The rst three chapters contain a revision of basic notions covered in the prerequisite course linear algebra i mat 2141. Use of cartesian tensors occurs in physics and engineering, such as with the cauchy stress tensor and the moment of inertia tensor. Vectors, tensors and fields university of edinburgh. Cartesian tensors may be used with any euclidean space, or more technically, any finitedimensional vector space over the field of real numbers that has an inner product. It makes use of the more familiar methods and notation of matrices to make this introduction. It needs to be pointed out that the concepts being discussed here, and tensor algebra in general, do not depend on the dimension being 3, do not depend on the basis being cartesian or orthogonal, and. The idea of a linear transformation of a vector space into itself is introduced and explored in chapter 2. In what follows, a cartesian coordinate system is used to describe tensors.
The location of any point can now be quantified by its position vector, the vector extending from the origin to the point in question. A discussion of linear vector spaces is given in appendix 4. Cross product between a vector and a 2nd order tensor. H110 vector spaces, bases, and dual spaces november 4, 1998 w1. Abstract vector spaces, linear transformations, and their. We allow k 0, in which case the tensor is just a real number. A real vector space consists of a set e, whose elements are called vectors, and. Their calculus tensor functions of timelike variable curves in space. For a general vector x x 1,x 2,x 3 we shall refer to x i, the ith component of x. There are considerable algebraic simplifications, the matrix transpose is the inverse from the.
Chapter 10 vectors and tensors in this chapter we explain how a vector space v gives rise to a family of associated tensor spaces, and how mathematical objects such as linear maps or quadratic forms should be understood as being elements of these spaces. Notes on locally convex topological vector spaces 5 ordered family of. In these equations one main condition for these physical quantities is they must be independent of the reference system, i. Their algebra definition of a vector examples of vectors scalar multiplication addition of vectors coplanar vectors unit vectors a basis of noncoplanar vectors scalar product orthogonality directional cosines for coordinate transformation vector product velocity due to rigid body rotations. If all of the vectors in a vector space can be expressed as a linear combination of a set of vectors, that set is said to span the vector space. A gentle introduction to tensors boaz porat department of electrical engineering. Readings special topics in mathematics with applications. Such vectors belong to the foundation vector space rn of all vector spaces. The tensor product of two vector spaces is not a quotient of the cartesian product of those spaces. The vector space of tensors of type kis denoted tkv. Then v is union of vector spaces v a associated with all points a in space.
What is the difference between cartesian and tensor. Vector analysis and vector identities by means of cartesian tensors kenneth h. Tensorsbases, components, and dual spaces wikiversity. The linear structures are genuine vector spaces or vector spaces with additional binary operations. These topics are usually encountered in fundamental mathematics courses. Linear vector spaces and cartesian tensors james k.
Abstract vector spaces, linear transformations, and their coordinate representations contents. As with the vector, a higher order tensor is a mathematical object which represents many physical phenomena and which exists independently of any coordinate system. Carpenter august 29, 2001 1 the cartesian tensor concept 1. A vector space also called a linear space is a collection of objects called vectors, which may be added together and multiplied scaled by numbers, called scalars. Linear vector spaces i references and problems 14 2. The third chapter extends tensor theory to spaces other than vector spaces, namely manifolds. In addition, no solutions manual is available for the problems at the end of the 14 chapters. A convenient way to measure space is to assign to each point a label consisting of three numbers, one for each dimension. Similarly, if is a third rank tensor, then is a vector. Our previous discussion of vectors, tensors, and dyads can be generalized to these nonorthogonal coordinates, as long as extreme care is taken in keeping track of the contravariant and covariant components.
1089 761 1478 1192 873 87 758 1505 928 163 291 666 1157 722 829 1343 349 868 127 394 1048 905 3 1405 1045 1037 189 1345 1079 1432 1410 894 725 1379 209 693 720 1406 640 383 150 480 1097 798