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shen


637 total contributions since 2013

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Solved


Values in Array
How many values are in the array

mehr als 4 Jahre ago

Solved


Assign matrix rows/columns to separate variables
This is a slight variant of <http://www.mathworks.com/matlabcentral/cody/problems/2668-assign-matrix-elements-to-separate-variab...

fast 6 Jahre ago

Solved


Phonebook-like problem
strcmpi('Yes', 'No')

mehr als 6 Jahre ago

Solved


Create a matrix from a cell
In this problem , you must convert a cell into a matrix and pad each cell with NaN. *Example 1:* If you have the input...

mehr als 6 Jahre ago

Solved


Create a random logical vector of N elements of which M are true.
Your task for tomorrow is to create a random binary (logical) vector of N elements of which M are true. For example: ran...

mehr als 6 Jahre ago

Solved


Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

mehr als 6 Jahre ago

Solved


Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

mehr als 6 Jahre ago

Solved


Back to basics 16 - byte order
Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...

mehr als 6 Jahre ago

Solved


Back to basics 2 - Function Path
Covering some basic topics I haven't seen elsewhere on Cody. Given a string that is the name of a MATLAB function, return a s...

mehr als 6 Jahre ago

Solved


Remove NaNs and numbers adjacent to NaNs
The aim is to remove the elements before and after NaN occurrences inside a vector. For example: x = [6 10 5 8 9 NaN 23 1...

mehr als 6 Jahre ago

Solved


calculate RMS voltage
given peak to peak voltage, calculate rms voltage

mehr als 6 Jahre ago

Solved


Matrix rotation as per given angle
Given a user defined matrix and angle of rotation, rotate the elements of output matrix as clockwise or anti-clockwise. Angle wi...

mehr als 6 Jahre ago

Solved


Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in <http://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation bra-kets>. Today...

mehr als 6 Jahre ago

Solved


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

mehr als 6 Jahre 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...

mehr als 6 Jahre ago

Solved


Tune your guitar
Given an input string with the scientific pitch notation for standard tuning ( <http://en.wikipedia.org/wiki/Guitar_tunings#Stan...

mehr als 6 Jahre ago

Solved


Strange Number Algorithms
Three integer numbers will be provided to you. Write a function to Step1: Multiply first number by 3. Step2: Add 6 with t...

mehr als 6 Jahre ago

Solved


Saving MATLAB session to a file
How to save MATLAB session to a file?

mehr als 6 Jahre ago

Solved


COUNT VOWEL
Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

mehr als 6 Jahre ago

Solved


Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. *NOTE:* The picture will be provided as...

mehr als 6 Jahre ago

Solved


counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

mehr als 6 Jahre ago

Solved


Test
Answer the question and the correct answer write in vector. Only one answer is correct. 1a Yes 1b No 1c No 1d No ...

mehr als 6 Jahre ago

Solved


Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

mehr als 6 Jahre ago

Solved


Pull the variable y_correct from the Caller's Workspace
*Description* This highlights a very easy to use and high-scoring cheat that can be used on almost all Cody questions.

mehr als 6 Jahre ago

Solved


Person of interest?
given a person_of_interest, what is his_name?

mehr als 6 Jahre ago

Solved


Spiral Matrix
for a given integer n>=3, generate a matrix of nxn such that the value n^2 is at bottom left and its decreasing towards center ...

mehr als 6 Jahre ago

Solved


Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

mehr als 6 Jahre ago

Solved


Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

mehr als 6 Jahre ago

Solved


construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

mehr als 6 Jahre 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...

mehr als 6 Jahre ago

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