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Essential Mathematical Methods for the Physical Sciences by K. F. Riley, M. P. Hobson

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Footnote answers

This appendix contains short answers to those footnotes that are in the form of a question. They have been deliberately placed away from the questions so as to encourage the reader to formulate their own response, as they would be expected to do in a supervision or tutorial, before seeking confirmation. It should be remembered that the questions, typically requiring only brief answers, are normally designed to test whether a particular point in the main text, which may in itself be a relatively small one, has been correctly grasped. Thus some answers may seem trivial to the reader – if they do, so much the better!

1.  Matrices and vector spaces

3  Denoting equation (1.12) by (i), equation (1.13) by (ii), and the general properties ...

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