Gelöst

Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

fast 12 Jahre vor

Gelöst

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

fast 12 Jahre vor

Gelöst

Hamming Weight - Size Scoring
The Hamming Weight, <http://en.wikipedia.org/wiki/Hamming_weight wiki Hamming Weight>, in its most simple form is the number of ...

fast 12 Jahre vor

Problem

Compute Hamming distances between each pair of rows from two input matrices
For two input matrices _u_ ( _n_ x _uCols_ ) and _v_ ( _n_ x _vCols_ ) of numbers in range [0..255] (8-bit), such that each colu...

fast 12 Jahre vor | 1 | 15 Lösungsvorschläge

Gelöst

fast 12 Jahre vor

Gelöst

Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

fast 12 Jahre vor

Gelöst

Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

fast 12 Jahre vor

Gelöst

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

fast 12 Jahre vor

Gelöst

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>...

fast 12 Jahre vor

Gelöst

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:/...

fast 12 Jahre vor

Gelöst

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

fast 12 Jahre vor

Gelöst

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...

fast 12 Jahre vor

Gelöst

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

fast 12 Jahre vor

Gelöst

Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

fast 12 Jahre vor

Gelöst

Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

fast 12 Jahre vor

Gelöst

Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

fast 12 Jahre vor

Gelöst

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...

fast 12 Jahre vor

Gelöst

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

fast 12 Jahre vor

Gelöst

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

fast 12 Jahre vor

Gelöst

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

fast 12 Jahre vor

Gelöst

Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

fast 12 Jahre vor

Gelöst

Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

fast 12 Jahre vor

Gelöst

First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

fast 12 Jahre vor

Gelöst

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...

fast 12 Jahre vor

Gelöst

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

fast 12 Jahre vor

Gelöst

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

fast 12 Jahre vor

Problem

Compute hamming distance between two binary vectors represented using lists of 1-byte numbers
Let v and u be vectors of the same size with 8-bit integers (0-255). We want to compute the number of bits where those vectors d...

fast 12 Jahre vor | 1 | 41 Lösungsvorschläge

Gelöst

fast 12 Jahre vor

Gelöst

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

fast 12 Jahre vor

Gelöst

Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

etwa 13 Jahre vor