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MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].

2 years ago

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Sum of numbers from 1-100
Sum up every whole number from 1 to 100. Include 1 and 100 in your calculation.

2 years ago

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Shift elements of vector left
Shift elements of vector to the left. For ex. : Input_vec = [1 2 3 4 5] Output_vec = [2 3 4 5 1]

2 years ago

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Even or Odd
Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

2 years ago

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Find the minimal value in N*N Matrix
Suppose that we have N by N matrix, we try to find the minimal value in that matrix. examples: Input A=[1 2 3 5 6;52 58 56 45...

2 years ago

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Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

2 years ago

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reverse the order and combine a matrix

2 years ago

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Geometrical meaning of determinant
Given two vectors x,y, in 2D or three vectors x,y,z in 3D space, compute the area (or volume) of the parallelogram they define. ...

2 years ago

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Find the diagonal of the square of side L
You are given a square of side length L, find D the length of its diagonal.

2 years ago

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Values in Array
How many values are in the array

2 years ago

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Dots in a Circle
Return how many integer grid points there are inside a circle of radius _r_ centred at (0,0) (including points on the edge). ...

2 years ago

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Volume of a Simplex
Return the volume of a <http://en.wikipedia.org/wiki/Simplex regular _n_-simplex> with a unit side length. Results are up to...

2 years ago

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Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

2 years ago

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Usage of varargout
This Challenge is to demonstrate usage of varargout. Output a cell array using varargout of magic squares of size 1 thru n. ...

2 years ago

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Center of mass
Given a matrix M(m,n), where m is the number of vertices of the geometrical element and n is 2 or 3 (2D-plane figure or 3D-solid...

2 years ago

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possible ways through matrix
This problem is inspired from problem 2405 <https://www.mathworks.com/matlabcentral/cody/problems/2405-the-number-of-ways>. Che...

2 years ago

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A row vector, pick 1st number, skip 1,pick 3rd number, skip 2,pick,skip,etc then place all picked numbers in order in new vector
Having a row vector of number, pick the first number, place in new output vector as the first value, then skip one number, pick...

2 years ago

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Compute the maximal product of any two numbers whose concatenation is n
Write a function that takes an input and computes the maximal product of numbers that concatenate to . For example, if , then t...

2 years ago

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Find the nearest prime
Given a positive integer 'n', the task is to find a prime number greater than or equal to 'n'. Example 1 If given 'n' is ...

2 years ago

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Annual Salary
What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

2 years ago

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MATLAB Basics: Complex Conjugates
For a given complex number, x, return the complex conjugate, y.

2 years ago

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Count the primes in Collatz sequences
Several Cody problems (21, 69, 42937, 44448, 44784, 52422) involve Collatz sequences. These start with a seed . If is odd, the ...

2 years ago

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Circle : Square

2 years ago

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Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

2 years ago

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lb to kilogram
convert lb to kilogram units, easy

2 years ago

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Matrix to vector transformation
given a matrix, make in the output 1 column vector putting odd numbers in ascending order after that put the even numbers in des...

2 years ago

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currency converter
given a rate of exchange calculate the equivalent units of 100 USD

2 years ago

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remove every row&col for every nan
for a given matrix, remove the row and column of every nan. Example x=[1 2 NaN 4 5 6 7 8 ...

2 years ago

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Ounces to Kilograms
convert ounces to kilograms, easy

2 years ago

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Energy-Mass Equivalence
Given input enegy of the object, E, and constant c = 300,000,000, find the mass of the object.

2 years ago