Solved

Arrange vector in ascending order

Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

ongeveer 4 jaar ago

Solved

Make a run-length companion vector

Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

ongeveer 4 jaar ago

Solved

Model a falling body

An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

ongeveer 4 jaar ago

Solved

Add damping to a mass spring system

Model an ideal mass-spring-damper system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/im...

ongeveer 4 jaar ago

Solved

Counting pulses in a signal

Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...

ongeveer 4 jaar ago

Solved

Make a half wave rectifier

Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

ongeveer 4 jaar ago

Solved

Make a full wave rectifier

Produce a full wave rectifier waveform for the given sine wave source. For a sine wave input, the output of the full wave rec...

ongeveer 4 jaar ago

Solved

Add offset to a signal

Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

ongeveer 4 jaar ago

Solved

Produce a sine wave

Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

ongeveer 4 jaar ago

Solved

Implement simple rotation cypher

If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

ongeveer 4 jaar ago

Solved

Back to basics 22 - Rotate a matrix

Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

ongeveer 4 jaar ago

Solved

QWERTY Shift Encoder

Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. ...

ongeveer 4 jaar ago

Solved

Decimal Comparison

*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

ongeveer 4 jaar ago

Solved

Subset Sum

Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

ongeveer 4 jaar ago

Solved

Binary numbers

Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

ongeveer 4 jaar ago

Solved

Generate binary combinations for a given number of bit(s)

Generate the binary combination as in the example below. Example: If you are given: bin_comb(2) The answer will be: ...

ongeveer 4 jaar ago

Solved

Find matching string from a list of strings

Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

ongeveer 4 jaar ago

Solved

Cumulative probability of finding an unlikely combination

This is a supplemental problem to the <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition CryptoMath> ...

ongeveer 4 jaar ago

Solved

Find mistyped words in text (mixed-up letters)

Mistyped words are a regular occurrence in emails, texts, status updates, and the like. Many times, people send or post a second...

ongeveer 4 jaar ago

Solved

Who knows the last digit of pi?

There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

ongeveer 4 jaar ago

Solved

First use of arrayfun() and anonymous function @(x)

Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x +...

ongeveer 4 jaar ago

Solved

Without the French accent please!

Suppress the French accent. Example 'Déjà présent' -> 'Deja present'

ongeveer 4 jaar ago

Solved

String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

ongeveer 4 jaar ago

Solved

When Was That Goal Scored?

We want to find out when the goals were scored in a particular soccer game. For each game, we are given a "Goal Event Data" XML ...

ongeveer 4 jaar ago

Solved

Compute Fibonacci Number

Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

ongeveer 4 jaar ago

Solved

QWERTY Shift Code Decoder

Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...

ongeveer 4 jaar ago

Answered

weird artefacts when saving piechart as pdf

Someone had the same issue on <https://stackoverflow.com/a/45497856/2254698 stack overflow> I found adding any one of these, ...

weird artefacts when saving piechart as pdf

Someone had the same issue on <https://stackoverflow.com/a/45497856/2254698 stack overflow> I found adding any one of these, ...

ongeveer 4 jaar ago | 0

Problem

Assert yourself! Hack the assert function to pass this test.

Have you ever wanted to test out one of the hacks you have seen where "games" a problem by simply overwriting the assert method?...

meer dan 4 jaar ago | 1 | 3 solvers

Solved

Implement a ROT13 cipher

Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

meer dan 4 jaar ago

Solved

Maximum running product for a string of numbers

Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

meer dan 4 jaar ago