Solved

Convert Hard Drive marketing sizes to actual data sizes
Hard drive sizes are typically marketed using the decimal meaning of prefixes, whereas RAM uses binary meanings. For example: ...

14 years ago

Solved

Return the Nth Output from an Input Command
*Description* Given _F_, a cell array whose first element is a function handle and subsequent elements are arguments, return ...

14 years ago

Solved

Create a dictionary
The goal is to write a function that returns a dictionary from a list of words or phrases and their definitions. Here is an exam...

14 years ago

Solved

Mimic foldl in functional programming
Mimic the higher-order function |foldl| ( <http://en.wikipedia.org/wiki/Fold_%28higher-order_function%29 Wikipedia:Fold (higher-...

14 years ago

Solved

Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

14 years ago

Solved

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

14 years ago

Solved

Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

14 years ago

Solved

Selecting books on MATLAB for experts and beginners (blindfolded)
* Imagine you have been blindfolded and asked to pick up any two books randomly from the table. * There are n books suitable f...

14 years ago

Solved

drowsy?
This dog() may be drowsy or function immediately when you call, return 1 or 0 accordingly within 2/10 second.

14 years ago

Solved

Maintain shape of logical-index mask
When using logical indexing into an array, MATLAB returns a vector output. For example, if A = magic(3); mask = logi...

14 years ago

Solved

Nonuniform quantizer as a piecewise constant function
Implement a nonuniform quantizer as the following piecewise function: y = -3.5, x < 3 y = -1.5, -3 ≤ x < -1 y = -...

14 years ago

Solved

the fly, the train, the second train, and their Zeno's paradox
*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

14 years ago

Solved

Steal, Share, or Catch
You, I, and a few other characters are going to play a game of *Steal, Share or Catch*. We are going to play it 10,000 times vs...

14 years ago

Solved

Wilf-Zeilberger pairs
Take as inputs two functions _F_ and _G_, and two scalar values _n_ and _k_. Test whether the functions are candidates to be a W...

14 years ago

Solved

Size of this cup?
The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

14 years ago

Solved

Leaking?
Graham's law states that the rate of effusion of a gas is inversely proportional to the square root of its molecular weight. A b...

14 years ago

Solved

Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

14 years ago

Solved

More luck than brains
Give a random function that guess and return numbers from 1 to 6 exactly like the test suite .

14 years ago

Solved

Rotate and display numbered tile
Imagine a square tile with four numbers on it, one on each edge. We will call these edges north, east, south, and west. If th...

14 years ago

Solved

Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

14 years ago

Solved

capable husband?
* The prospective husband must pass a background check, * and *functions* faithfully, as suggested by <http://www.mathworks.com...

14 years ago

Solved

letter yes yes & letter no no
Split a string into two strings, first string has all alphabetic letters, next string has all the rest, keep the order please, o...

14 years ago

Solved

Poker Series 05: isStraight
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

14 years ago

Solved

Poker Series 04: isFlush
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

14 years ago

Solved

Poker Series 03: isFullHouse
The Poker Series consists of many short, well defined functions that when combined will lead to complex behavior. Our goal is t...

14 years ago

Solved

Convert Roman to Arabic Numerals
Based upon what I see on tv and at the movies, the use of Roman numerals indicates something is important or sophisticated (e.g....

14 years ago

Solved

Toolbox check part 3
In my ongoing quest to highlight obscure parts of MATLAB, the latest challenge is to take 2 string inputs, one a MATLAB toolbox ...

14 years ago

Solved

Create One Large Eye of size N x N Quickly?
*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

14 years ago

Solved

Numbers with prime factors 2, 3 and 5.
Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are...

14 years ago

Solved

Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...

14 years ago