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Find The area of the square
Given that the length of the side of a square is x, find the area.

3 years ago

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Easy Sequences 93: Recursive Polynomial Function
For a natural number and a polynomial function , we define a recursive function , as follows: , and ...

3 years ago

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Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration
Problem Statement Given the mass and stiffness of an undamped SDOF system, find the system's natural frequency in both Hz and...

3 years ago

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Easy Sequences 103: One-line Code Challenge - Evaluate String Math Expressions
Given a character string of a simple mathematical expression containing only numbers, parentheses and arithmetic symbols (+ - * ...

3 years ago

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Factor a number into Fermi-Dirac primes
Cody Problem 58018 asked you to list the Fermi-Dirac primes, which are prime powers with exponents that are powers of 2. As note...

3 years ago

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List the Fermi-Dirac primes
The Fermi-Dirac “primes” are prime powers with exponents that are powers of 2. The first nine terms of the sequence are 2, 3, 4,...

3 years ago

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Find a number m such that 2m and the square of m have the same digit sum
The number has the property that and have the same digit sum. It is the seventh number, including zero, in the sequence of nu...

3 years ago

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Given a string s, find the length of the longest substring without repeating characters.
Given a string s, find the length of the longest substring without repeating characters. Example 1: Input: s = "abcabcbb" O...

3 years ago

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Count estrangements
Recently I made a puzzle for my wife that included a cryptogram, which involves an arrangement of the letters A through Z. I use...

3 years ago

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Determine the minimum number of swaps to sort a vector
Cody Problem 1401 asks us to sort a vector with the bubble sort algorithm and count the number of swaps needed. For example, to ...

3 years ago

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Easy Sequences 110: Integration of the Sum of a Recursive Trigonometric Function
A trigonometric function, , is defined as follows: , in radians Applying recursively we define another funct...

3 years ago

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Easy Sequences 109: Summation of Derivatives of a Trigonometric Function
A trigonometric function, , is defined as follows: where: ; and ...

3 years ago

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Calculate BMI
Given weight in kgs and height in metres, calculate body mass index

3 years ago

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Find the dividend
Given a vector of pairwise coprime positive integers, p, and a vector of corresponding remainders, r, return a positive integer,...

3 years ago

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Compute the average precipitation for a watershed using the Thiessen polygon method
Several methods are available for estimating the average precipitation for a watershed from a few observations at rain gauges. T...

3 years ago

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Compute flow in a partially full pipe
Problem statement When does the maximum flow occur in a pipe? Intuition might suggest that it occurs when the pipe is flowing f...

3 years ago

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Easy Sequences 98: One-line Code Challenge - Ternary Operator Function
Ternary operation is a standard construct in most computer languages. The ternary operator assigns value to a variable depending...

3 years ago

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raise x to the nth power
use basic math operators and a variable to solve the problem for a given variable n. (make sure "n" is the variable you use)

3 years ago

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multiply by 5
multiply x by 5

3 years ago

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multiply by 12
multiply x by 12

3 years ago

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Sequence Vectorization - II
This is the second part to the question - Sequence Vectorization - I Given an array of Natural numbers, N, return the sequence ...

3 years ago

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Route a hydrograph through a river section with the Muskingum method
Problem statement Write a function that routes a hydrograph through a river section using the Muskingum method. The input to t...

3 years ago

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Find gradient of a numeric data which has same size as the existing vector.
**** Refer matlab documentation about finding gradient **** Convert the entire gradient vector to least integer form. (Probably...

3 years ago

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Sequence Vectorization - I
Given a Natural number N, return the sequence - [1 1 2 1 2 3 1 2 3 4 ... 1 2 3 ... N-3 N-2 N-1 N] i.e. the concatenation of (1:k...

3 years ago

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Easy Sequences 105: One-line Code Challenge - IPv4 Address Validation
The Internet Protocol version 4 (IPv4) is the dominant protocol for routing devices over the internet. IPv4 addresses are usuall...

3 years ago

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Easy Sequences 104: One-line Code Challenge - GCDs of Sum of Consecutive Cubes
For a natural number, n, the function CC(n) is defined as follows: In other words, CC(n) is the sum of cubes ...

3 years ago

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Identify de Polignac numbers
The numbers 125 and 329 can be written as the sum of a prime and a power of 2. For example, , and . The numbers 127 and 331, whi...

3 years ago

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Write a MATLAB function that takes in two inputs, a and b, and computes the sum of the squares of a and b.

3 years ago

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Write a function to compute the area of a rectangle given its width and height

3 years ago

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Write a MATLAB function that takes two integers n and k as input and returns the value of n^k, where n is the base and k is the exponent. If k is negative, the function should return an error message.

3 years ago