25 total contributions since 2017

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...

4 years ago

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Converting binary to decimals

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

4 years ago

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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...

4 years ago

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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...

4 years ago

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intervals

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

4 years ago

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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...

4 years ago

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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.

4 years ago

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row removal

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

4 years ago

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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 ...

4 years ago

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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;

4 years ago

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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.

4 years ago

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vectors counting by 5

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

4 years ago

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Pizza!

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

4 years ago

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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...

4 years ago

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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...

4 years 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.

4 years ago

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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...

4 years ago

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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...

4 years ago

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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...

4 years ago

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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...

4 years ago

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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:...

4 years ago

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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 ...

4 years ago

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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...

4 years ago

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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...

4 years ago