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Schrödinger dog
Everyone knows that dogs are less unpredictable than cats. But is that proven? Is that measurable at all? YES! NOW IT IS! ...

3 years ago

Solved


Reassign cell contents to empty variables, preserving cell content data type
Given a cell array C, return a cell array D with the following specifications: 1. D has the same size as the input C. 2. E...

3 years ago

Solved


Write a cubic formula function
Create a function that will output the three roots of a cubic equation specified by the 4 coefficients listed as input. The outp...

3 years ago

Solved


Get input and output variable names
Given a string representing a function header, return the variable names used for the inputs and outputs. For example if input ...

3 years ago

Solved


LIFO Validation
Write a function to check whether a LIFO (Last In First Out) restriction on inventory is violated. We have two input vectors ...

3 years ago

Solved


Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

3 years ago

Solved


Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to ...

3 years ago

Solved


Create a v-notch vector without "sort" function
Given a vector vec, create a v-shaped vector as shown below: vec = [ 10 2 3 89 5 7 90 0 12] Output vector = [90 89 12 10 7 5 3 ...

3 years ago

Solved


Primes for Large N: 2^30, System Memory Limit
This Challenge is to further improve the "primes" function for speed/memory usage to the Limit of Cody Memory. The Matlab fun...

3 years ago

Solved


Primes Faster for Large N
This Challenge is to improve the "primes" function for speed. This may be accomplished by fixing memory usage. The Matlab fun...

3 years ago

Solved


Determine which fields have been modified in a structure
Given two input structures (s1, s2), determine which field values have been modified in s2 compared to s1. Your output should be...

3 years ago

Solved


Return elapsed time
Write a function that returns the amount of time it takes to run the function, as measured by tic and toc. Your answer must be c...

3 years ago

Solved


Pandiagonal Prime Magic Square Verification
Verify if an NxN matrix is a Pandiagonal Prime Magic Square. Required properties: 1) N^2 prime values ( No repeats, 1 ...

3 years ago

Solved


Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

3 years ago

Solved


Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

3 years ago

Solved


Find the function
Given a set of point (x,y) and the coordinate x of a new point, find the y value of new point.

3 years ago

Solved


Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

3 years ago

Solved


Vector LCM
Find Least Common Multiple of a given vector. Need general solution as the test suite will be expanded. Function Template: fu...

3 years ago

Solved


Infinite precision division
Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

3 years ago

Solved


A stroll on the beach: finding a route round a connected region
You are standing on the beach of an island, which you must explore by walking all the way round its coast. Each step is in one o...

3 years ago

Solved


Cody Computer Part 3 - Detect the graphic card used on Cody Computer
In the Cody computer investigation party, you may have already solved : Problem 522. Cody Computer Part 1 - Guess the system fo...

3 years ago

Solved


Bang Bang in Bangalore
Imagine a strange language disorder, Bangolangosis, has developed among trigonometricians of <http://en.wikipedia.org/wiki/Banga...

3 years ago

Solved


Closely related?
Given a function past_records() that will report blood sugar level of two twin brothers some random number of days ago. For exam...

3 years ago

Solved


Grandpa's telescope
Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the obje...

3 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 ...

3 years ago

Solved


Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

3 years ago

Solved


Smallest distance between a point and a rectangle
Given two points *x* and *y* placed at opposite corners of a rectangle, find the minimal euclidean distance between another poin...

3 years ago

Solved


Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...

3 years ago

Solved


01-01: 正弦波の生成
「MATLABで学ぶ実践画像・音声処理入門」のプログラム1-1 と同じ正弦波を、サンプリング周波数 10kHz で生成し、返却する関数を作成せよ。

3 years ago

Solved


Zero or hero
A number will be given as an input. You can be hero if it's not zero. (Just for fun)

3 years ago

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