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Joy Life


77 total contributions since 2016

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Solved


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.

meer dan 2 jaar ago

Solved


Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

meer dan 2 jaar ago

Solved


Duration of a trip in minutes
Input is a string which includes the duration of a trip. Convert the duration to minutes. For example if the duration of a t...

meer dan 2 jaar ago

Solved


Path of least resistance
Find the length of the shortest path through the matrix from the top left to bottom right corner. You may move right, down, or d...

bijna 3 jaar ago

Solved


Words Count: A Cell Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

ongeveer 3 jaar ago

Solved


Words Count: A String Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

ongeveer 3 jaar ago

Solved


Change on Spiral Matrix
n>=3, generate a matrix of nth such that n^2 is the max number, and max number must be in [1,1] or [end, end]. One example will ...

ongeveer 3 jaar ago

Solved


Change input vector
If a input vector is [3, 2, 6, 1, 6], the output vector is [3, 2, 6, 1, 6] + [1, 2, 3, 4, 5] = [4, 4, 9, 5, 11].

ongeveer 3 jaar ago

Solved


determine if
determine if the elements of a matrix is a nan and return true

ongeveer 3 jaar ago

Solved


find the 'M'
for an input x, return 1 at the location of the letter 'M'

ongeveer 3 jaar ago

Solved


cheating technique1
in these cody problems, there is a way to cheat. find out how people cheat.

ongeveer 3 jaar ago

Solved


cheating technique2
there are some ways to get hints just by looking at the test suits to cheat. try.

ongeveer 3 jaar ago

Solved


find a number (cheat)
find a number input^5 = input the out put should be the number. try cheating

ongeveer 3 jaar ago

Solved


0, 2, 0, -2, 0, 2, 0, -2, ...
Generate the first n terms of a periodic sequence defined as f(x) = 0, 2, 0, -2, 0, 2, 0, -2, ..., for x = 1, 2, 3, 4, 5, 6...

ongeveer 3 jaar ago

Solved


merge two matrices together in one matrix
a= [1 2 3 4]; b=[5 6 7 8]; take the first column from matrix (a)and (b)then insert them in matrix (c) respectively, and so on;...

ongeveer 3 jaar ago

Solved


Use a timetable to analyze a train timetable (Part 5)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) How many trains depart each d...

ongeveer 3 jaar ago

Solved


Use a timetable to analyze a train timetable (Part 4)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) What is the average daily tri...

ongeveer 3 jaar ago

Solved


create a square matrix
create a [n*n] matrix. example: mat(4)= [ 1 4 9 16 4 4 9 16 9 9 ...

ongeveer 3 jaar ago

Solved


Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

ongeveer 3 jaar ago

Solved


Replicate and Tile an Array
Replicate and tile an array. Example A = [1 2 3; 4 5 6; 7 8 9] B = Epli_and_Tile(A,1,2) B = [ 1 2 3 1...

ongeveer 3 jaar ago

Solved


Where is the number that you want to find?
For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

ongeveer 3 jaar ago

Solved


Find matrix of indices for multidimensional matrix.
Given some multidimensional matrix A. Get a matrix of the same size as A where all elements are replaced by their index along th...

ongeveer 3 jaar ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ongeveer 3 jaar ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

ongeveer 3 jaar ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

ongeveer 3 jaar ago

Solved


Create cotangent function out of sine.
Please, don't use cos, tan, cot matlab functions.

ongeveer 3 jaar ago

Solved


Distance between Berlin and New York in km
Use Pythagoras to calculate the distance between two locations in km (based on their respective longitudes and latitudes). Fo...

ongeveer 3 jaar ago

Solved


Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

ongeveer 3 jaar ago

Solved


String substitution, sub problem to cryptoMath
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

ongeveer 3 jaar ago

Solved


Make a simplified barcode
Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

ongeveer 3 jaar ago

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