Solved

Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

3 years ago

Solved

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

3 years ago

Solved

Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

3 years ago

Solved

Calculate the integral of the polynomial
for e.g. in = [3 2 1] out = [1 1 1 0]

3 years ago

Solved

sign function

3 years ago

Solved

Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

3 years ago

Solved

Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

3 years ago

Solved

metre to feet converter
The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

3 years ago

Solved

Make a Plot with Functions
Make a plot and test

3 years ago

Solved

Swap rows

3 years ago

Solved

Find Logic 1

3 years ago

Solved

Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

3 years ago

Solved

only input
Return the output without writing any code into the function.

3 years ago

Solved

modulus of a number
find the modulus of a given number

3 years ago

Solved

Size

3 years ago

Solved

Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

3 years ago

Solved

Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

3 years ago

Solved

Make a vector of prime numbers
Input(n) - length of vector with prime numbers Output(v) - vector of prime numbers Example: * n=1; v=2 * n=3; v=[2 3 5...

3 years ago

Solved

Kinetic energy calculation

3 years ago

Solved

Total energy

3 years ago

Solved

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

3 years ago

Solved

Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

3 years ago

Solved

BASICS - sum part of vector
Please make a function, where as input you get vector "x" and and vector "c", where in "c" vector you get indexes to sum. Examp...

3 years ago

Solved

Mile to Kilometer
x is mile and y is km

3 years ago

Solved

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

3 years ago

Solved

Finding perimeter of a rectangle
A rectangle has a length of x centimeters and a width of w centimeters. Find the perimeter.

3 years ago

Solved

matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

3 years ago

Solved

Find out magnitude of vector
Find out magnitude of vector. Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2) Please don't use sum function. If you l...

3 years ago

Solved

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

3 years ago

Solved

Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

3 years ago