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Alexander Levedahl


25 total contributions since 2017

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Solved


Find the binary code
Given a sinusoidal signal, create a function that returns the binary code of a quantized value. The function takes the bit lengt...

2년 이상 ago

Solved


Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

2년 이상 ago

Solved


convert 2D array of ones and zeros to checkerboard array of [1,2] where the original array was ones and zero elsewhere
Given a 2D array of ones and zeros, generate an equivalent sized checkerboard array of ones and twos. The checkerboard pattern s...

2년 이상 ago

Solved


Get chain of consecutive characters
Write a function that will output a chain of consecutive characters, given 2 letters as input. It has to work backwards too. Exa...

2년 이상 ago

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intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

2년 이상 ago

Solved


Matrix Manipulation
Given an m*n matrix, see if a matrix contains any 0s in any row. if it contains 0 anywhere in any particular row, delete that ro...

2년 이상 ago

Solved


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.

2년 이상 ago

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row removal
Remove the nth row from input matrix M and return the resulting matrix in output N.

2년 이상 ago

Solved


Pascal's triangle
<https://en.wikipedia.org/wiki/Pascal%27s_triangle> if the order is: x = 3; the output will be: output = [0 0 0 1 0 0 ...

2년 이상 ago

Solved


Write a function to calculate step size delta if bits per sample and input range is given for quantization.
numBit = bits per sample; range = input max value - min value; delta = step size; l = number of levels;

2년 이상 ago

Solved


creating matrix of replicated elements
Given an input element a, and the dimensions, (m, n) return a matrix of size m-by-n filled with element a.

2년 이상 ago

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vectors counting by 5
Create a vector with numbers from x_min to x_max in increments of 5.

2년 이상 ago

Solved


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

2년 이상 ago

Solved


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...

2년 이상 ago

Solved


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...

2년 이상 ago

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

2년 이상 ago

Solved


Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

2년 이상 ago

Solved


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...

2년 이상 ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

2년 이상 ago

Solved


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

2년 이상 ago

Solved


Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

2년 이상 ago

Solved


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:...

2년 이상 ago

Solved


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 ...

2년 이상 ago

Solved


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

2년 이상 ago

Solved


Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

2년 이상 ago