Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

9 years ago

Solved

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...

9 years ago

Problem

Mersenne Primes

A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

9 years ago | 3 | 233 solvers

Solved

Mersenne Primes

A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

9 years ago

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

9 years 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...

9 years 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...

9 years ago

Solved

Determine if input is odd

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

9 years 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...

9 years ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

9 years ago

Solved

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 ...

9 years 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...

9 years 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 ...

9 years ago

Solved

Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

9 years ago

Submitted

Matrix Surround Encoding

Encodes 5-channel surround-sound signal into stereo matrix-encoded signal based on Dolby PLII.

9 years ago | 1 download |

Answered

how to run .exe file in matlab

The built in function |system(command)| will execute the given command (a string) in a windows command prompt. So you might hav...

how to run .exe file in matlab

The built in function |system(command)| will execute the given command (a string) in a windows command prompt. So you might hav...

9 years ago | 2

Answered

MATLAB code for Butterworth filter having sound as a input signal

MATLAB has a built in function |butter| in the Signal Processing Toolbox that will return coefficients for a Butterworth high- o...

MATLAB code for Butterworth filter having sound as a input signal

MATLAB has a built in function |butter| in the Signal Processing Toolbox that will return coefficients for a Butterworth high- o...

9 years ago | 1

| accepted

Answered

x.abs()?

Although your variable |x| is technically a MATLAB "class" ( |double| ), it does not have any methods associated with it. While...

x.abs()?

Although your variable |x| is technically a MATLAB "class" ( |double| ), it does not have any methods associated with it. While...

9 years ago | 0

Answered

Trouble with For loop within If statement.

|if for| is not valid syntax. If you want to break out of the loop when the errors for all points are <= errmax, then the corr...

Trouble with For loop within If statement.

|if for| is not valid syntax. If you want to break out of the loop when the errors for all points are <= errmax, then the corr...

9 years ago | 0

Submitted

Windows System Sounds

Play any Windows system sound from within MATLAB.

10 years ago | 3 downloads |

Answered

MATLAB one-liners

Read in an image and convert it to a grayscale, double matrix of data range 0..1 im= rgb2gray(double(imread('filename.jpg'))/...

MATLAB one-liners

Read in an image and convert it to a grayscale, double matrix of data range 0..1 im= rgb2gray(double(imread('filename.jpg'))/...

10 years ago | 0