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Ana Maria Alzate


Last seen: oltre 3 anni fa |  Attivo dal 2017

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  • Thankful Level 2
  • Introduction to MATLAB Master
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Sum positive elements of matrix.
Calculate sum of positive elements of the matrix.

quasi 4 anni fa

Risolto


My Problem, Find the square of the horizontal concatenation of the third and fifth elements of a vector.
given the 1x5 vector x, y must be the square of the horizontal concatenation of the third and fifth elements. So, if x = [1 1 1 ...

quasi 4 anni fa

Risolto


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

quasi 4 anni fa

Risolto


Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

quasi 4 anni fa

Risolto


Check if a matrix is a palindrome in all directions
Check if a matrix is a palindrome both vertically and horizontally. You function will return *true* for |[1,2,1]| or |[2,7,2;...

quasi 4 anni fa

Risolto


determine the sum of the squares
if x = 4, the solution will be: y = 1^2+2^2+3^2+4^2=1+4+9+16 = 30.

quasi 4 anni fa

Risolto


Complex transpose
Calculate the transpose of a matrix having complex numbers as its elements without changing the signs of the imaginary part. ...

quasi 4 anni fa

Risolto


Is It a Palindrome?
Given a string or array, determine if it is a palindrome.

quasi 4 anni fa

Risolto


union without repitition
Let a = [9 9 9 9 9 9 8 8 8 8 7 7 7 6 6 6 5 5 4 2 1] b = [1 1 1 3 3 3 3 3 4 4 4 4 4 10 10 10] Output should be [9 8...

quasi 4 anni fa

Risolto


Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

quasi 4 anni fa

Risolto


Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

quasi 4 anni fa

Risolto


Remove All elements less than 5
Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...

quasi 4 anni fa

Risolto


Generate vector according to sign of vector
Generate vector according to sign of vector Example: If A=[-2 0 5] then output must be[-1 0 1] meaning that for negative n...

quasi 4 anni fa

Risolto


Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

quasi 4 anni fa

Risolto


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]

quasi 4 anni fa

Risolto


Values in Array
How many values are in the array

quasi 4 anni fa

Risolto


Sort complex numbers into complex conjugate pairs
Sort complex numbers into complex conjugate pairs. Example: Input x = [3-6i -1-4i -1+4i 3+6i] Sorted output = [-1 - ...

quasi 4 anni fa

Risolto


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...

quasi 4 anni fa

Risolto


modulus of a number
find the modulus of a given number

quasi 4 anni fa

Risolto


Basic commands - Greatest common divisor
Please write a function, which, will put as output greatest common divisor. Example: A = [-5 17; 10 0];...

quasi 4 anni fa

Risolto


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 ...

quasi 4 anni fa

Risolto


Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

quasi 4 anni fa

Risolto


Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.
--------------- A= [ 2 6 -3 7 12 0 -12 5 1] --------------- B= [12 7 1 6 2 0 5 -3 ...

quasi 4 anni fa

Risolto


Basic commands - Least common multiple
Make a function which will return least common multiple of "a" and "b" Example: a=8; b=6; y=24;

quasi 4 anni fa

Risolto


Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...

quasi 4 anni fa

Risolto


Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

quasi 4 anni fa

Risolto


Product of Array
Given an array of numbers. Get the product of the array.

quasi 4 anni fa

Risolto


Palindrome Check
Check whether the entire matrix is palindrome or not. Example matrix = [7 8 7] matrix_reverse = [7 8 7] So the mat...

quasi 4 anni fa

Risolto


Remove the positive integers.
Given array,x, remove all the positive numbers and display ouput as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

quasi 4 anni fa

Risolto


construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

quasi 4 anni fa

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