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Abdullah


Last seen: oltre 3 anni fa |  Attivo dal 2018

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Risolto


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...

oltre 3 anni fa

Risolto


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

oltre 3 anni fa

Risolto


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

oltre 3 anni fa

Risolto


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

oltre 3 anni fa

Risolto


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

oltre 3 anni fa

Risolto


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

oltre 3 anni fa

Risolto


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

oltre 3 anni fa

Risolto


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

oltre 3 anni fa

Risolto


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

oltre 3 anni fa

Risolto


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

oltre 3 anni fa

Risolto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

oltre 3 anni fa

Risolto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

oltre 3 anni fa

Risolto


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

oltre 3 anni fa

Risolto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

oltre 3 anni fa

Risolto


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

oltre 3 anni fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

oltre 3 anni fa

Risolto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

oltre 3 anni fa

Risolto


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

oltre 3 anni fa

Risolto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

oltre 3 anni fa

Domanda


Using 'OR' operator with 'case' statement
Is it good programming practice to use 'OR' operator with 'case' statement. I want to associate multiple values of 'switch' stat...

quasi 6 anni fa | 1 risposta | 0

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risposta

Domanda


How to find values of variables?
I have 2 matrices, Q and X such that XQ=0. X is 1x16 matrix with unknown values i.e. X=[x1, x2, x3, x4, ...x16]. Q is 16x16 real...

circa 6 anni fa | 2 risposte | 0

2

risposte

Domanda


How to solve this 16x16 matrix?
The above 16x16 matrix is Q matrix. I want to calculate QX=0, where X=[x1,x2,x3...x16]'. How can I solve or at least simplify ...

circa 6 anni fa | 1 risposta | 0

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risposta

Domanda


How to solve this matrix?
I have some variables to find like x= [1x16 (x1,x2,x3,....x16 variables)] with condition that x1+x2+x3+....x16=1. I have also 16...

circa 6 anni fa | 2 risposte | 0

2

risposte

Domanda


how to fully whiten the white parts and fully blacken the black parts of a scanned image without changing its colorful parts
I have a scanned image of a word(.docx) file. I want it to look like the original file. for this, i want to remove the noise i.e...

circa 6 anni fa | 1 risposta | 0

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