A résolu

Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

presque 6 ans il y a

A résolu

Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

presque 6 ans il y a

A résolu

sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

presque 6 ans il y a

A résolu

Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

presque 6 ans il y a

A résolu

Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

presque 6 ans il y a

A résolu

sum of non-primes
The sum of the non-primes no larger than 10 is 1+4+6+8+9+10=38 Find the sum of all the positive non-prime integers that do no...

presque 6 ans il y a

A résolu

Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

presque 6 ans il y a

A résolu

Max of a Vector
Write a function to return the max of a vector

presque 6 ans il y a

A résolu

Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

presque 6 ans il y a

A résolu

Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

presque 6 ans il y a

A résolu

2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...

presque 6 ans il y a

A résolu

The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

presque 6 ans il y a

A résolu

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...

presque 6 ans il y a

A résolu

Do you like your boss?
Do you like your boss? Answer can be any string! For example: Boss = 'Do you like your boss?'; Output = 'yes' or ...

presque 6 ans il y a

A résolu

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

presque 6 ans il y a

A résolu

Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

presque 6 ans il y a

A résolu

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

presque 6 ans il y a

A résolu

Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

presque 6 ans il y a

A résolu

Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

presque 6 ans il y a

A résolu

Min of a Matrix
Return the minimum value in the given matrix.

presque 6 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 ...

presque 6 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

presque 6 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...

presque 6 ans il y a

A résolu

Rounding
Round 10.67 and make 'y' equal to that number.

presque 6 ans il y a

A résolu

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

presque 6 ans il y a

A résolu

Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

presque 6 ans il y a

A résolu

Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

presque 6 ans il y a

A résolu

Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

presque 6 ans il y a

A résolu

Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

presque 6 ans il y a

A résolu

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

presque 6 ans il y a