Solved

3 years ago

Problem

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 | 2 | 6 solvers

Solved

swap sign sum & multiply castles
* It is an easy problem, if you know the answer. * Given a square matrix of NxN ordinary numbers. * Initially place N identi...

3 years ago

Solved

007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

3 years ago

Solved

Check if a directory is on the current MATLAB search path
Given a directory name as a string, return true if the directory is on the current MATLAB search path, and false otherwise.

3 years ago

Solved

Six Steps to PCA - Step 1: Centre and Standardize
*Introduction* Principal Component Analysis (PCA) is a classic among the many methods of multivariate data analysis. Invented...

3 years ago

Solved

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

3 years ago

Solved

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

Problem

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 | 1 | 8 solvers

Solved

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

Solved

multiply by 5
multiply x by 5

3 years ago

Solved

multiply by 12
multiply x by 12

3 years ago

Solved

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

Problem

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 | 0 | 4 solvers

Problem

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 | 2 | 24 solvers

Solved

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

3 years ago

Solved

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

Problem

Solve an ODE: draining tank
Write a function to compute the time to drain a cylindrical tank of diameter from an initial level to a level . The outflow oc...

3 years ago | 3 | 12 solvers

Solved

Convert vector of strings to lower triangular matrix
Given a non-empty vector vec of strings, please put its elements into the lower triangular half of a square matrix M column-wise...

3 years ago

Problem

List numbers such that every sum of consecutive positive integers ending in those numbers is composite
The sequence in question in this problem involves numbers such that all sums of consecutive positive integers ending with are ...

3 years ago | 1 | 9 solvers

Problem

List the two-bit primes
Each year at Christmas, my father-in-law and his partner send me the Puzzle Mania section from the New York Times. This year’s e...

3 years ago | 1 | 10 solvers

Solved

Blood test?
Assuming: the genetic makeup (genotype) of a child is coded as a pair with two components, combining half genotype of one parent...

3 years ago

Solved

Sub-sequence - 02
Given two sequences, find the length of the longest common subsequence. a=[1,1,1,1,1,2,3,1,4] b=[2,3,0,0,9,5,4,1] longe...

3 years ago

Solved

Find the remainder - 02
Given an array of integers, find the remainder when the summation of all the elements is divided by N

3 years ago

Solved

Find the remainder - 01
Given an array of integers, find the remainder when the product of all the elements is divided by N

3 years ago

Solved

Sub-Diagonal Sum
Given a (m x n) matrix and a value r {1,-1}, change every element to the sum of the diagonal led by the element. r=1 > regular ...

3 years ago

Problem

Compute infiltration and runoff under constant precipitation with the Green-Ampt method
Problem statement Write a function that computes infiltration, depression storage, and runoff using the Green-Ampt method. It s...

3 years ago | 2 | 4 solvers

Solved

Armstrong Number
Write a function name armstrong_check that checks whether the given input is an Armstrong Number or not. It returns logical True...

3 years ago

Solved

Zero finder
Write a function named 'zero_finder' that takes a matrix as input and returns the row index of the last zero for each for each c...

3 years ago

Problem

Inscribe a circle in a triangle with a side of length equal to the circle’s circumference
A circle of radius is inscribed in a triangle with a side that has a length equal to the circle’s circumference. The center of ...

3 years ago | 2 | 8 solvers