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...

mer än 12 år 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...

mer än 12 år 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...

mer än 12 år ago | 5 | 705 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...

mer än 12 år 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...

mer än 12 år 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...

mer än 12 år ago

Solved


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

mer än 12 år 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...

mer än 12 år ago

Solved


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

mer än 12 år 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...

mer än 12 år 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...

mer än 12 år 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 ...

mer än 12 år 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...

mer än 12 år 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 ...

mer än 12 år 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...

mer än 12 år ago

Submitted


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

mer än 12 år ago | 3 downloads |

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...

mer än 12 år 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...

mer än 12 år 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...

mer än 12 år ago | 0

Answered
Plot Title Problem
Escape it with the backslash. |title('Plot\_Dot')|

mer än 12 år ago | 1

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...

mer än 12 år ago | 0

Submitted


Windows System Sounds
Play any Windows system sound from within MATLAB.

mer än 13 år ago | 2 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'))/...

mer än 13 år ago | 0