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Values in Array
How many values are in the array

fast 8 Jahre vor

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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...

mehr als 9 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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

fast 10 Jahre vor

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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]

fast 10 Jahre vor

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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.

fast 10 Jahre vor

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

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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 ...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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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...

fast 10 Jahre vor

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