Solved

Find the numeric characters in a string and return their index
Given a string S, return the index of any numeric characters. S = 'The next meeting will be held in 2 weeks.'; idx = fin...

8 years ago

Solved

How to Concatenate two strings?
How to Concatenate two strings?

8 years ago

Solved

Implement zero-based indexing for Matrices
Given an input vector and position (which is zero based) output the value Example: x = [1 2; 4 5] pos = [0 1] value = 5 ...

8 years ago

Solved

Avengers Assemble!
Given matrix with so many zeroes, trim those zeroes and output a matrix joining all nnz elements Example: input = [0 0 0 0 0...

8 years ago

Solved

Create tangent function out of sine function only
Please don't use cosine and tangent functions

8 years ago

Solved

Convert decimal to hex as shown in test cases
Convert decimal to hex as shown in test cases.

8 years ago

Solved

Replace x value into y value in string text.
Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

8 years ago

Solved

Circular Shift Me
Given a vector v=[1 3 6 9 11], circular shift them while iterating m=[1 3 6 9 11; 11 1 3 6 9; 9 11 1 3 6; 6 9 11 1 3; 3 6 9 1...

8 years ago

Solved

I told you not separate me, but you did :( - ACDC
Given input vector, output it's DC and AC value Example: input = 0 1 -1 0 ac = 0 1 -1 0 dc = 0

8 years ago

Solved

Calculate the sum of elements of n*n Hilbert matrix.
Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

8 years ago

Solved

Find product of eigenvalues of n*n magic matrix.
Find product of eigenvalues of n*n magic matrix. Example n=3 Matrix= [ 8 1 6; 3 5 7; 4 ...

8 years ago

Solved

ESEMPIO
controllo uso funzioni

8 years ago

Solved

Form a square matrix from four square sub-matrices
Create a square matrix, y, from 4 square sub-matrices that will be constructed (x1, x2, x3, x4): y = [x1 x2; x3 x4]; ...

8 years ago

Solved

Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

8 years ago

Solved

Make a rainbow matrix (follow-up to checkerboard matrix)
Given an integer n, make an n-by-n matrix as shown below. The a(1,1) should be 0. As we move away from the top-left, the number ...

8 years ago

Solved

Select every other element of a matrix
Write a function called outMat = odd_idx( myMat ) that takes a matrix, myMat, as input argument and returns a matrix th...

8 years ago

Solved

Pad zero between every adjacent values of the vector.
you are given a vector x. you have to make an output vector y with zeros padded between every adjacent values of x. e.g x: ...

8 years ago

Solved

Modified Upper Matrix Mock
Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

8 years ago

Solved

Weighted moving average
x1=[1 2 1]; y1=[1 2 2 4 5 6 6 8]; Make function for weighted moving average. z(i)=(x1(i)*y1(i)+x1(i+1)*y1(i+1)+x1(i+2)*y1...

8 years ago

Solved

Union Jack Matrix
Create a matrix of odd dimensions that has ones on both diagonals and dividing the matrix into 4 quadrants, resembling a square ...

8 years ago

Solved

Vandermonde Matrix
Create the Vandermonde Matrix of the given vector. The matrix consists of columns as powers of the vector, so the first column i...

8 years ago

Solved

Linear system of equations
Solve the system of equations in three variables.

8 years ago

Solved

Solve the system of linear equations
4x - 2y +6z=8 2x + 8y +2z=4 6x + 10y +3z=0 Input is each coefficient of polynomial. For example, a=[4 ...

8 years ago

Solved

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;...

8 years ago

Solved

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

8 years ago

Solved

Finding two missing number in 1 to n array
You are given an array of numbers from 1 to n with two missing numbers. Return the two missing numbers. Input: x=[5 2 0 1 ...

8 years ago

Solved

Remove all the columns contains only zero
Remove the column from the matrix which has only zeros . Refer the Example below a= 1 0 3 0 23 0 56 0 1 ...

8 years ago

Solved

Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

8 years ago

Solved

Get derivarive of polynomial given as vector array.
Get derivarive of polynomial given as vector array. Example p=[ 1 2 0 5 0 3 ]; result=[ 5 8 0 10 ...

8 years ago

Solved

Create vector as shown in test cases
Create vector as shown in test cases

8 years ago