August 2015
Intermediate to advanced
216 pages
4h 50m
English
Content preview from Clojure Data Structures and Algorithms CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Resolving cost and profit optimization problems
For this recipe, we will study optimization problems. For these, you are given a set of constraints on some variables, say:
4x+3y < 30 2x+4y < 10
You are then asked to maximize or minimize a function of these variables, (if constraints are inferior, then you'll have to maximize and vice versa), for example:
max(z=13 x + 7 y)
This is called the objective function. Generally speaking, such problems are called linear programs, and the algorithm used for resolving these is called the simplex algorithm.
However, the simplex algorithm operates on real variables, that is, the variables that take real values. This is problematic if the solution to the problem can only be a compound of natural numbers. For instance, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.