PRM

Active since 2020

Geek Researcher

Statistics

Content Feed

Solved

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

8 maanden ago

Solved

means
Calculate the arithmetic, the geometric and the harmonic mean of a given vector (with positive elements) and return them in a ve...

meer dan een jaar ago

Solved

Toeplitz Matrix
For a given square matrix of order n-by-n check whether this is a Toeplitz matrix or not. Return true if it is.

meer dan een jaar ago

Solved

poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

meer dan een jaar ago

Solved

how many of the entries are positive?
Given x= sin(linspace(0,10*pi,100)), how many of the entries are positive?

meer dan een jaar ago

Solved

Related Vectors
I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

meer dan een jaar ago

Solved

Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27

meer dan een jaar ago

Solved

04 - Scalar Equations 3
Define the variables a, b, and c: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> <<http://samle.dk/STTBDP/Assignment1_4-b....

meer dan een jaar ago

Solved

Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

meer dan een jaar ago

Solved

Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

meer dan een jaar ago

Solved

Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

meer dan een jaar ago

Solved

Help the Patriots get to the Super Bowl
Given a football by the Patriots, return it to them with 2 psi less air in it. (The original psi is passed as a number to the...

meer dan een jaar ago

Solved

Find the index of elements in a string vector
In the vector of v, find the index of elements specified by a. v = ["Lion","Koara","Elephant","Snake","Dog","Cat","Camel"]; ...

meer dan een jaar ago

Solved

How many figures currently exist?
Return the number of figures that exist at any given time.

meer dan een jaar ago

Solved

Find out next state (NS) of T Flip-Flop.
Find out next state (NS) of T Flip-Flop based on previous state (PS), inputs. Learn more about T Flip-Flop theory here: <htt...

meer dan een jaar ago

Solved

Replace Negative(-) by 0 and positive by 1
In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

meer dan een jaar ago

Solved

Insert Special character in character cell array.
input={'a','b','c'} then ans={'a','*','b','*','c'}

meer dan een jaar ago

Solved

Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

meer dan een jaar ago

Solved

07 - Common functions and indexing 6
Create a variable _m_ as a magic square with the size 6 x 6 Magic squares are defined as square matrices, where the sum of a...

meer dan een jaar ago

Solved

03 - Matrix Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3a.png>> A 9x9 matrix full of 2's (Hint: use *ones* o...

meer dan een jaar ago

Solved

"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

meer dan een jaar ago

Solved

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

meer dan een jaar ago

Solved

Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

meer dan een jaar ago

Solved

Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

meer dan een jaar ago

Solved

kmph to mps
convert kilometer per hour to meter per second

meer dan een jaar ago

Solved

Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

meer dan een jaar ago

Solved

Wrapping the Tower of Pisa
The famous artist Christo Vladimirov Javacheff, who likes pizza, wants to wrap the well-known Italian tower in paper. It is a ci...

meer dan een jaar ago

Solved

User defined nextpow function
Create a function which will take 2 arguments as n and x, and return y, where, n^y >= abs(x). [ Similar to builtin "nextpow2" fu...

meer dan een jaar ago

Solved

Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

meer dan een jaar ago

Solved

Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

meer dan een jaar ago