Questions tagged [equation]
For challenges involving equations, in one or more variables.
7
questions
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votes
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Infer pluses and minuses
The problem
Consider an equation such as "3 ± 2 ± 4 ± 1 = 4" and determine if there exists a sequence of pluses and minuses that makes it arithmetically correct. If it exists, ...
- 3,684
23
votes
10
answers
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How many ways to cut a number into an equation?
Too bad! I had such a beautiful equation, but I lost all my =+-*, so there is nothing left but a chain of digits, looking like a number: ...
- 2,590
10
votes
5
answers
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views
Valid term from quadratic sequence?
You are given four numbers. The first three are \$a\$, \$b\$, and \$c\$ respectively, for the sequence:
$$T_n=an^2+bn+c$$
You may take input of these four numbers in any way. The output should be ...
- 843
3
votes
2
answers
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Generate lowest degree polynomial from sequence [duplicate]
Introduction
A sequence of numbers is passed in as the input. The program has to generate the lowest degree polynomial possible. This was my first programming project in college and it would be ...
- 31
16
votes
15
answers
757
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Transitive Equality
The Challenge
Your program should take 3 inputs:
A positive integer which is the number of variables,
A set of unordered pairs of nonnegative integers, where each pair represents an equality between ...
- 15.5k
14
votes
11
answers
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Find The Local Maxima And Minima
Definition
The maxima and minima of a given function are the largest and smallest values of the function either within a given range or otherwise within the entire domain of the function.
Challenge
...
- 5,290
20
votes
17
answers
2k
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Find Integral Roots of A Polynomial
Challenge
The challenge is to write a program that takes the coefficients of any n-degree polynomial equation as input and returns the integral values of x for which the equation holds true. The ...
- 5,290