Solved

Repeat Vector Values an Arbitrary Number of Times
Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For exam...

9 years ago

Solved

Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if x = [1 3 4 5 8 11]; then return y = [NaN Na...

9 years ago

Solved

sum
sum as rows

9 years ago

Solved

factorial
factorial

9 years ago

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turn n times
turn the matrix n times (each time turn +pi/2 radian)

9 years ago

Solved

wipe out!
make all the elements in given x zero.

9 years ago

Solved

find the determinent
find the determinent of a vector

9 years ago

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flip up and down
flip up and down the matrix

9 years ago

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sum of vector
sum!!

9 years ago

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true or false
if the matrix has a zero, return true. else, return false

9 years ago

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Slope of the line passing through two points
Determine the slope of a line passing through the points a=[x1 y1] and b=[x2 y2].

9 years ago

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Implement a bubble sort technique and output the number of swaps required
A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

9 years ago

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Create a square matrix with given conditions
Create a square matrix, M, which should be populated as follows: M = [ n^2 n * (n-1) n * (n-2) ... n * 2 n * ...

9 years ago

Solved

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 ...

9 years ago

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

9 years ago

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

9 years ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

9 years ago

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Analyze observation data
Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

9 years ago

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How Many Months Until It's Today Again?
Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

9 years 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].

9 years ago

Solved

make an eye matrix which element is 1:n
for a given input n, make an n by n matrix which contains elements 1:n for example input =5 output = [1 0 0 0 0;0 2 0 0 0; 0...

9 years ago

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multiple 2
function y = your_fcn_name(x) y = 2*x; end

9 years ago

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

9 years ago

Solved

basics -making a matrix
make a matrix which contains input x as the last element. the intervals should be +1 ex) input = 5 output= [0 1 2 3 4 5] ex)...

9 years ago

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sum all the elements
sum all the elements in the matrix ex) x=[1 2 3 4; 5 6 7 8; 9 10 11 12] y=78

9 years ago

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

9 years ago

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sum as columns
sum as columns.

9 years ago

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

9 years ago

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

9 years ago

Solved

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

9 years ago