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Appendix A

# MATLAB Functions

This appendix provides you with an overview of the MATLAB functions. Each function helps you perform a specific task within MATLAB. The tables contain the function name and a short description of the task that the function performs. If you need more information than this appendix gives you, you can obtain additional information by typing help <function_name> in the MATLAB command window and pressing Enter. Of course, you also have the information found in this book, and you can search in Help. See Chapter 3 for some useful information on using the Help resources that MATLAB provides.

Table A-1 Arithmetic Functions

 Function Description uplus Unary plus — comparable to + acting on one object plus Plus — comparable to + adding two objects uminus Unary minus — comparable to – acting on one object minus Minus — comparable to – subtracting two objects mtimes Matrix multiplication — comparable to * times Array multiply — comparable to .* rdivide Right-array division — comparable to ./ mrdivide Solves systems of linear equations xA = B for x — comparable to / ldivide Left-array division — comparable to .\ mldivide Solves systems of linear equations Ax = B for x — comparable to \ power Array power — comparable to .^ mpower Matrix power — comparable to ^ diff Differences and approximate derivatives prod Product of array elements sum Sum of array elements ceil Rounds toward positive infinity ...

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