A résolu


Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

presque 6 ans il y a

A résolu


Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

presque 6 ans il y a

A résolu


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

presque 6 ans il y a

A résolu


Given a Vector v1, create v2 which is the sum of each two adjacent elements in v1. {length(v2)=length(v1)-1}
if v1 is [1 2 3 4 5 6 7 8] then v2 should be [3 5 7 9 11 13 15]. if v1 is [1; 3; 5; 7] the...

presque 6 ans il y a

A résolu


Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.
--------------------- for m: 3 1 3 3 10 1 9 1 9 4 1 4 5 6 5 ...

presque 6 ans il y a

A résolu


Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

presque 6 ans il y a

A résolu


Union of two set decreasing order
Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

presque 6 ans il y a

A résolu


Values in Array
How many values are in the array

presque 6 ans il y a

A résolu


prime test 2
enter the only non prime,non composite number

presque 6 ans il y a

A résolu


Matrix FUN
Given a Matrix M, find out the number of elements of matrix that are divisible by 3. M = [1 2 3;4 5 6;7 8 9]; ou...

presque 6 ans il y a

A résolu


Find the sum of n squares
What is the sum of the squares of the first n integers?

presque 6 ans il y a

A résolu


Sum of integers numbers
Sum of the numbers from 1 to 100

presque 6 ans il y a

A résolu


Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

presque 6 ans il y a

A résolu


Vector pop
Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...

presque 6 ans il y a

A résolu


Approximate the cosine function
Without using MATLAB trigonometric functions, calculate the cosine of an argument |x| to a precision of |0.0001| *Hint:* You ...

presque 6 ans il y a

A résolu


Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

presque 6 ans il y a

A résolu


Matrix Construction I
Given n, construct a matrix as shown in the example below. Example For n=8, the output should look like this: 1 2 3 4 ...

presque 6 ans il y a

A résolu


Diagonal Pattern
For a positive integer |n|, return an |nXn| matrix |mat| such that the value of each element in row |i| and column |j| is given ...

presque 6 ans il y a

A résolu


Enlarge array
Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

presque 6 ans il y a

A résolu


Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

presque 6 ans il y a

A résolu


Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

presque 6 ans il y a

A résolu


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

presque 6 ans il y a

A résolu


Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:
A = [1 2 3 4 5 6] ----------- B = [0 0 0 0 0 0 1 2 3 0 0 4 5 6 0 0 0 0 0 0]

presque 6 ans il y a

A résolu


Find the average of a random sequance
Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

presque 6 ans il y a

A résolu


Triangle of numbers
Create a matrix with the integers from 1 to |n| arranged in a triangular shape. Every row |i| of the matrix contains |i| inte...

presque 6 ans il y a

A résolu


Add a vector to a matrix
Given a matrix |mat| of size |mXn| and a row vector |v| of size |1Xs|, return a matrix with |m+1| rows that conatains |mat| over...

presque 6 ans il y a

A résolu


Vertical matrix sort
Given a matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted ...

presque 6 ans il y a

A résolu


Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

presque 6 ans il y a

A résolu


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

presque 6 ans il y a

A résolu


modulus of a number
find the modulus of a given number

presque 6 ans il y a

Charger plus