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Replace Negative(-) by 0 and positive by 1
In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

5 years ago

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

5 years ago

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prime test 2
enter the only non prime,non composite number

5 years ago

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raise 1/3
Raise a number to 1/3 power.

5 years ago

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Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

5 years ago

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area

5 years ago

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Vertical matrix sort
Given a matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted ...

5 years ago

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Square root of number
Square root of given number.

5 years ago

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Nth root
Nth root of a number x

5 years ago

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Remove the first, third and fifth rows of a matrix
Given a matrix x with at least five rows, return a matrix y that includes all rows of x except for th 1st, the 3rd and 5th. E...

5 years ago

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Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

5 years ago

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kmph to mph converter
Convert the speed in miles/hour to km/hour.

5 years ago

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Number of primes
Count the number of primes less than 'n'.

5 years ago

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Sum of cubes
Write a program to determine sum of cubes of first n odd numbers.

5 years ago

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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...

5 years ago

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Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

5 years ago

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Determine the roots of a cubic equation
Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

5 years ago

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Display negative numbers
Given array,x, display all the negative numbers and display output as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

5 years ago

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UICBioE240 problem 1.3
Find the length of a vector. So if A = [1 1 1 1 1] Then B = 5

5 years ago

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How many bytes an image requires from RAM?

5 years ago

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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

5 years ago

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

5 years ago

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Back to basics 12 - Input Arguments
Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

5 years ago

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So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

5 years ago

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Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

5 years ago

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peta to nano (x-ray)
for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%

5 years ago

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Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...

5 years ago

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Pascal's Matrix
Given an integer n ≥ 0, generate the ( _n_+1) × ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

5 years ago

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Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

5 years ago

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length of a vector
Find twice the length of a given vector.

5 years ago