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octave: Arithmetic

 
 17 Arithmetic
 *************
 
 Unless otherwise noted, all of the functions described in this chapter
 will work for real and complex scalar, vector, or matrix arguments.
 Functions described as “mapping functions” apply the given operation
 individually to each element when given a matrix argument.  For example:
 
      sin ([1, 2; 3, 4])
           ⇒  0.84147   0.90930
               0.14112  -0.75680

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· Exponents and Logarithms
· Complex Arithmetic
· Trigonometry
· Sums and Products
· Utility Functions
· Special Functions
· Rational Approximations
· Coordinate Transformations
· Mathematical Constants
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