已解决

MatLab GUI popup duration
HI! I am using GUI for the first time and enjoying it. There is one curious question after I hit the 'Run' button from my .fig f...

12 years 前

已解决

Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

12 years 前

问题

Only once: cleaning up your columns
We have a logical array (with ones and zeroes). It is simple: after processing every column may only contain a single true value...

12 years 前 | 1 | 37 个解题者

已解决

Check if it is a square or cube of consecutive numbers
Check whether the element of given row vector is a square or cube of consecutive numbers. For example Input x=[4 27 16 25 ...

12 years 前

已解决

Finding fourier transform of a given vector
Find the fourier transform of a given input vector for ex a=[1 2 3 4] then y=[ 10.0000 + 0.0000i -2.0000 +...

12 years 前

已解决

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...

12 years 前

已解决

Homemade: Control Charts
This problem is a simple version of control charts in statistics. Intput consists from 30 or more observations. * Upper limi...

12 years 前

问题

Insert structure in a parameter-cell array.
When creating Matlab GUI elements, you can mix value pairs with structures in the list of input arguments, e.g. |uicontrol('t...

12 years 前 | 3 | 20 个解题者

已解决

Tony's trick for duplicating an mx1 vector n times
Without using repmat, or for loop, or concatenation, create a function to duplicate a vector, v, a specified number of times, n....

12 years 前

问题

Wrap a vector, but insert NaN's at the wrap-positions.
When you plot a line that wraps, and do not want the sawtooth shape to show up in the plot, you can either draw all separate lin...

12 years 前 | 1 | 23 个解题者

已解决

Insert certain elements into a vector.
We start with vector V. Some values W will be inserted into V, at positions U. Say, |V| contains |[1 2 3 4 5]| and |W| is |[0...

12 years 前

问题

Insert certain elements into a vector.
We start with vector V. Some values W will be inserted into V, at positions U. Say, |V| contains |[1 2 3 4 5]| and |W| is |[0...

12 years 前 | 2 | 36 个解题者

已解决

ベクトルのスケーリング
入力したベクトルの大きさを１にしてください。

12 years 前

已解决

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

12 years 前

已解决

Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

12 years 前

已解决

Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

12 years 前

已解决

Lowest sum from a group of digits
Hi there. It's James's daughter here again, and my third grade math teacher is up to her old tricks. This time, she's giving u...

12 years 前

已解决

Get input and output variable names
Given a string representing a function header, return the variable names used for the inputs and outputs. For example if inp...

12 years 前

已解决

Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F_n = F_(n-1) + F_(n-2) * where F_0 = 0 and F_1 ...

12 years 前

已解决

Reassign cell contents to empty variables, preserving cell content data type
Given a cell array C, return a cell array D with the following specifications: 1. D has the same size as the input C. 2. E...

12 years 前

已解决

Check if integer
Given a vector of elements, determine if each element is an integer and return true or false accordingly.

12 years 前

已解决

How unique?
Sometimes, when we check unique entries of vector we would like to know how many times each value occurs. Given vector of num...

12 years 前

已解决

Power of n ?
Determine if _x_ (positive integer) is a power of _n_, return true or false accordingly.

12 years 前

已解决

Palindrome
Check if a given string is a palindrome or not. For example, a = 'amoreroma' is a palindrome. But b = 'xyz' is not. Return...

12 years 前

已解决

Another colon problem
This is simple problem based on problems 555, 801, 1118, etc. Create an index vector from two input vectors. Example: ...

12 years 前

已解决

Find the index of nth maximum of a row vector of real numbers
Given a vector of real numbers x, find the index idx of _n_ th maximum value. If nth maximum occurs more than once, return the i...

12 years 前

问题

Schrödinger dog
Everyone knows that dogs are less unpredictable than cats. But is that proven? Is that measurable at all? YES! NOW IT IS! ...

12 years 前 | 3 | 27 个解题者

已解决

Loading/Expanding a ZIP file from File Exchange
This challenge is to load a ZIP file from Mathworks File Exchange and UNZIP the contents. *Input:* url_link of ZIP'd file ...

12 years 前

已解决

Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

12 years 前

问题

Number of problems
No, you don't read it wrong: this assignment is to return the number of this problem (and not the problem of this number).

12 years 前 | 1 | 126 个解题者