解決済み

Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

約14年前

解決済み

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

約14年前

解決済み

Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

約14年前

回答済み
Parallel Problem: Get keyboard input in 60 sec, otherwise jump out
Shijia, you can do something like this using callbacks. Here's an example using figure callbacks. Save it as myFunction.m and se...

約14年前 | 1

| 採用済み

解決済み

Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

約14年前

解決済み

Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

約14年前

解決済み

inner product of two vectors
inner product of two vectors

約14年前

解決済み

Construct a string from letters and counts
Given two input arrays like this: [5,3,1] ['a','b','c'] Output a string that contains each letter the specified num...

約14年前

解決済み

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

約14年前

解決済み

No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

約14年前

解決済み

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

約14年前

解決済み

Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

約14年前

解決済み

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

約14年前

問題

Find last non-zero in a given dimension
You are given a logical matrix *BW* _of any dimension_, and a dimension *dim*. You need to find the locations of the last non-ze...

約14年前 | 2 | 49 個のソルバー

解決済み

Find last non-zero in a given dimension
You are given a logical matrix *BW* _of any dimension_, and a dimension *dim*. You need to find the locations of the last non-ze...

約14年前

解決済み

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

約14年前

解決済み

Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

約14年前

解決済み

Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

約14年前

解決済み

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

約14年前

回答済み
problem with mean in cell arrays
v{k} = mean([m{k}.e{:}]) The *mean()* function calculates the mean of an array of numbers, not a cell. The above should ...

約14年前 | 0

| 採用済み

回答済み
Last non nan observation
Here I can plug a file exchange entry: http://www.mathworks.com/matlabcentral/fileexchange/27755-n-dimensional-find Im =...

約14年前 | 0

回答済み
rotate a plane onto another plane
David, let me introduce you to geom3d. I'm a fan of, user of, and occasional contributor to it. http://www.mathworks.com/matl...

約14年前 | 1

| 採用済み

回答済み
how can i find the number of the overlapped white pixels between 2 black and white images?
Im1 = rand(50,50)>0.2; % your first image Im2 = rand(50,50)>0.6; % your transformed image overlapIm = Im1 & Im2; numS...

約14年前 | 1

解決済み

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

約14年前

解決済み

radius of a spherical planet
you just measured its surface area, that is the input.

約14年前

解決済み

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

約14年前

解決済み

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

約14年前

解決済み

Check to see if a Sudoku Puzzle is Solved
*Description:* Your task, should you choose to accept it, is to make a function that checks to see if a 9x9 matrix of integer...

約14年前

解決済み

Remove the small words from a list of words.
Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

約14年前

解決済み

Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

約14年前