Solved

Sum the entries of each column of a matrix which satisfy a logical condition.
Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...

15 days ago

Solved

Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)
Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

16 days ago

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The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0. From that place, it can jump either in the +ve direct...

16 days ago

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

18 days ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

18 days ago

Solved

Temperature Conversion 3
Given a temperature in Celcius, convert it to Fahrenheit.

21 days ago

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Temperature Conversion 2

21 days ago

Solved

Temperature Conversion 1

21 days ago

Solved

Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

21 days ago

Solved

Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

22 days ago

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Draw a '0' in a one matrix!

22 days ago

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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

22 days ago

Solved

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as y = A.ⅇ^(-λt)*cos(2πft) where A, λ, and f are scalars and t is a vector. ...

22 days ago

Solved

Remove Lower Case Letters
Example MEMOry --> MEMO IMPlEMeNtATiON --> IMPEMNATON

23 days ago

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Remove Upper Case Letters
Example Matlab --> atlab proBlem --> prolem Enter --> nter

23 days ago

Solved

Swap Characters of a Single Word
Description: In the given input word, convert the lower case to upper case and vice versa. A to a, a to A ... Example: 'Matl...

23 days ago

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String Logic 7
Examples: 'CAT' --> 84 'DOG' --> 79 'ROSY' --> 89 'MATLAB' --> 84 'TRUST' --> 85 'MOSTLY' --> 89

23 days ago

Solved

String Logic 2
Example: ROSY --> HEIO TRUST --> JHKIJ MOSTLY --> CEIJBO

23 days ago

Solved

String Logic 14
Examples: 'DIG' --> 'HRN' 'KIMBALL' --> 'VRZDBXX' 'DEAL' --> 'HJBX' 'LIMB' --> 'XRZD' 'MADE' --> 'ZBHJ' 'CHEF' --> 'FPJL'

23 days ago

Solved

String Logic 6
Examples: 'CAT' --> 216 'DOG' --> 218 'ROSY' --> 333 'MATLAB' --> 433 'TRUST' --> 418 'MOSTLY' --> 488

23 days ago

Solved

String Logic 19
Examples: 'DIG' --> 'I' 'IMPORTANT' --> 'MOTN' 'DEAL' --> 'EL' 'LIMB' --> 'IB' 'MOSTLY' --> 'OTY'

23 days ago

Solved

Unique values without using UNIQUE function
You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

23 days ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

23 days ago

Solved

The twelve days of Christmas
Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

25 days ago

Solved

There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

1 month ago

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Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

1 month ago

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

1 month ago

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

1 month ago

Solved

Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

1 month ago

Solved

Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

1 month ago