Solved

Compute total cost

A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

ungefär 5 år ago

Solved

Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

ungefär 5 år ago

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

ungefär 5 år ago

Solved

Make a Palindrome Number

Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

ungefär 5 år ago

Solved

Solve the Sudoku Row

*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

ungefär 5 år ago

Solved

Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

ungefär 5 år ago

Solved

Multielement indexing of a row array

The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

ungefär 5 år ago

Problem

Calculate the dynamic time warping similarity

Dynamic time warping (DTW) is an algorithm for measuring the similarity between two time series that may have been acquired at d...

ungefär 5 år ago | 0 | 4 solvers

Solved

N-plicate me

Modified version of duplicate and triplicate me. Repeat elements of input vector with given input n Ex: input = [1 2 3 4 5...

ungefär 5 år ago

Solved

Duplicate me

Repeat elements of vector input twice Ex: input = [1 2 3] output = [1 1 2 2 3 3]

ungefär 5 år ago

Solved

Trimming Spaces

Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

ungefär 5 år ago

Answered

How do I figure out how many times my toolbox contribution has been downloaded?

There have been a few threads on this some time ago. * Announcement: http://www.mathworks.com/matlabcentral/newsreader/view_t...

How do I figure out how many times my toolbox contribution has been downloaded?

There have been a few threads on this some time ago. * Announcement: http://www.mathworks.com/matlabcentral/newsreader/view_t...

ungefär 5 år ago | 0

Answered

how to plot ROC curve ,given False positive rate and true positive rate

The first and second argument for plotroc are the targets and outputs which you used to calculate FPR and TPR. You can plot t...

how to plot ROC curve ,given False positive rate and true positive rate

The first and second argument for plotroc are the targets and outputs which you used to calculate FPR and TPR. You can plot t...

ungefär 5 år ago | 0

Solved

Factorize THIS, buddy

List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

ungefär 5 år ago

Solved

Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

ungefär 5 år ago

Solved

Tell me the slope

Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

ungefär 5 år ago

Solved

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

ungefär 5 år ago

Solved

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

ungefär 5 år ago

Solved

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

ungefär 5 år ago

Solved

Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

ungefär 5 år ago

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

ungefär 5 år ago

Solved

Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

ungefär 5 år ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

ungefär 5 år ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

ungefär 5 år ago

Answered

multiple .wav files, different playback volumes

You should normalize the sounds so they have the same overall power (per time step). For example, normalize to power 1 (per s...

multiple .wav files, different playback volumes

You should normalize the sounds so they have the same overall power (per time step). For example, normalize to power 1 (per s...

ungefär 5 år ago | 1

| accepted

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

ungefär 5 år ago

Solved

Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

ungefär 5 år ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

ungefär 5 år ago

Solved

Return the Fibonacci Sequence

Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

ungefär 5 år ago

Problem

Find the next Fibonacci number

In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

ungefär 5 år ago | 5 | 272 solvers