Solved


most frequent character
Obtain most frequent character Let s='balaram'; output='a';

11 years ago

Solved


チェッカーボードを作ろう
整数 n が与えられた時、以下の様な1と0を含むn×nの行列を作成しましょう。a(1,1) は1にする必要があります。 例： 入力 n = 5 出力 a が [1 0 1 0 1 0 1 0 1 0 ...

11 years ago

Solved


Find files with extension ext in the current directory
List all files with extension 'ext' in the current directory. Return a char matrix with the name of files in rows. Return 0 if...

11 years ago

Solved


Find the rank of a matrix
Determine the rank of a matrix without using the MATLAB function of the same name.

11 years ago

Solved


Dice face matrix!
This is dice simulator, but instead of making a random die number, you will receive an "pre-rolled" number in and spit out a mat...

11 years ago

Solved


Angles of the hands of a clock
For this problem, consider an analog (or at least continuous digital representation) of a clock. Our clock is a 12 hour clock w...

11 years ago

Solved


find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.

11 years ago

Solved


Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...

11 years ago

Solved


Back to basics - array operations
Without performing actual arithmetic operations on arrays, return feasibility of operation as true or false. True if given opera...

11 years ago

Solved


Multiply to the limit?
If y = 4*x*x/pi/pi then what is the ultimate limiting result of (1+y/1/1)(1+y/3/3)(1+y/5/5)(1+y/7/7)... ... within 1000*eps?

11 years ago

Solved


Without french accent please !
Suppress french accent For example 'Déjà présent' -> 'Deja present'

11 years ago

Solved


Differential equations I
Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

11 years ago

Solved


Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

11 years ago

Solved


De-primed
Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and re...

11 years ago

Solved


Evened up (or not)
You will be provided with an array or matrix that contains various numbers, in addition to an evening variable, e, set to 1 or 0...

11 years ago

Solved


Set a diagonal
Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

11 years ago

Solved


Find the list of all open files
In the test suite, I use <http://www.mathworks.com/help/matlab/ref/fopen.html fopen> to create new files. The task is to find th...

11 years ago

Solved


ranch area?
Your friend has a ranch with four distinct boundary lines. Three boundary lines are ideal straight roads: (1) North Club Road, (...

11 years ago

Solved


mathematics , probability problem
How many different result can we have, rolling k dice?

11 years ago

Solved


average for three points
how to calculate the average (for each three values of y) y=[2 3 5 3 4 2 3 4 5 3 2 7 8 6 5 5 4 3 3 3 2 ] you ...

11 years ago

Solved


Formatting currency numbers
Given a number, format it properly for textual display using the notation $xxx,xxx,xxx.xx. Assume that no more than two digits ...

11 years ago

Solved


chirp again
rise frequency linearly from 0 to frequency f in 1 second and fs samples, initial amplitude must rise smoothly like an aircraft ...

11 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 ...

11 years ago

Solved


Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...

11 years ago

Solved


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

11 years ago

Solved


Filter British English into American English
Given a sentence written with British spelling, return the sentence with the offending word(s) replaced with the American spelli...

11 years ago

Solved


Use of regexp
Given a string, containing several sentences, such as: 'I played piano. John played football. Anita went home. Are you safe?...

11 years ago

Solved


Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

11 years ago

Solved


A quadrant matrix
Write a function called quadrants that takes as its input argument a scalar integer named n. The function returns Q, a 2n-by-2n ...

11 years ago

Solved


Geometry: Find Circle given 3 Non-Colinear Points
*This Challenge is to determine the center and radius of a circle given three non-colinear points.* *Input:* Points *Outpu...

11 years ago

Load more