Solved

Laws of motion 3

9 months ago

Solved

Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

9 months ago

Solved

Laws of motion 5
Calculate the force is u are given mass and acceleration.

9 months ago

Solved

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

9 months ago

Solved

sum of non-primes
The sum of the non-primes no larger than 10 is 1+4+6+8+9+10=38 Find the sum of all the positive non-prime integers that do no...

9 months ago

Solved

subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

9 months ago

Solved

surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

9 months ago

Solved

Spherical Volume
Calculate the volume of a sphere.

9 months ago

Solved

Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

9 months ago

Solved

Given a number N, find the smallest prime P>N
Given a number N, find the smallest prime P greater than N. For example: If N=10 then P=11. If N=13 then P=17.

9 months ago

Solved

area of an annulus
Given the diameter d of the inner circle of the annulus. Given length z of a chord of the outer circle of the annulus. This chor...

9 months ago

Solved

Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

9 months ago

Solved

Convert radians to degrees
Given input in radians, output to degrees

9 months ago

Solved

Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

9 months ago

Solved

Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

9 months ago

Solved

Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

9 months ago

Solved

Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

9 months ago

Solved

Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

9 months ago

Solved

Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

9 months ago

Solved

Find the max element of the array
Find the max element of the array

9 months ago

Solved

Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

9 months ago

Solved

Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

9 months ago

Solved

the average value of the elements
Calculate the average value of the elements in the array

9 months ago

Solved

Double all elements in the array
Duplicate all elements in the array

9 months ago

Solved

calculate the length of matrix
input 1 array, calculate the length

9 months ago

Solved

Calculate Inner Product
Given two input matrices, x and y, check if their inner dimensions match. If they match, create an output variable z which cont...

9 months ago

Solved

Find MPG of Lightest Cars
The file cars.mat contains a table named cars with variables Model, MPG, Horsepower, Weight, and Acceleration for several classi...

9 months ago

Solved

Find the Best Hotels
Given three input variables: hotels - a list of hotel names ratings - their ratings in a city cutoff - the rating at which yo...

9 months ago

Solved

Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

9 months ago

Solved

Calculate BMI
Given a matrix hw (height and weight) with two columns, calculate BMI using these formulas: 1 kilogram = 2.2 pounds 1 inch = 2...

9 months ago