A résolu


Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

plus de 12 ans il y a

A résolu


Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

plus de 12 ans il y a

A résolu


Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

plus de 12 ans il y a

A résolu


Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

plus de 12 ans il y a

A résolu


Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

plus de 12 ans il y a

A résolu


Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

plus de 12 ans il y a

A résolu


Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

plus de 12 ans il y a

A résolu


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

plus de 12 ans il y a

A résolu


pressure to dB?
given x ratio of pressure, find corresponding y dB

plus de 12 ans il y a

A résolu


give nth decimal place of pi
max 15th place after the decimal point is ok for now

plus de 12 ans il y a

A résolu


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...

plus de 12 ans il y a

A résolu


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. ...

plus de 12 ans il y a

A résolu


Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

plus de 12 ans il y a

A résolu


Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

plus de 12 ans il y a

A résolu


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>...

plus de 12 ans il y a

A résolu


Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

plus de 12 ans il y a

A résolu


Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

plus de 12 ans il y a

A résolu


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...

plus de 12 ans il y a

A résolu


Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

plus de 12 ans il y a

A résolu


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

plus de 12 ans il y a

A résolu


Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

plus de 12 ans il y a

A résolu


Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

plus de 12 ans il y a

A résolu


All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

plus de 12 ans il y a

A résolu


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

plus de 12 ans il y a

A résolu


Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

plus de 12 ans il y a

A résolu


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

plus de 12 ans il y a

A résolu


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

plus de 12 ans il y a

A résolu


How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

plus de 12 ans il y a

A résolu


Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

plus de 12 ans il y a

A résolu


Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

plus de 12 ans il y a

Charger plus