Vittorio

2015 年からアクティブ

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Problem having isoutlier detecting anything
I have what looks like a very easy problem but I cannot seem to solve it. I have a dataset (attached) that has some obvious (to ...

5年以上前 | 3 件の回答 | 0

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Code execution in GUI
I am trying to build my first GUI. I have what I think is a very dumb question. The GUI has a button that, when pressed, asks th...

6年弱前 | 2 件の回答 | 0

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Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

約7年前

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

8年弱前

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

8年弱前

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Transparent figures from 2014b are not transparent when pasted to outside programs
Atfer contacting MathWorks support, I was told that this is a known bug in 2014b. The problem has been fixed in 2015a. If you ca...

8年以上前 | 1

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質問

Best practice when coding for loops?
Hello everyone! When I code using for loops I always struggle between two methods of indexing. (Assume I can't do without using ...

8年以上前 | 3 件の回答 | 0

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Screen is flickering at Matlab startup for 2014b
After an email conversation with a MathWorks employee I determined that the problem was an outdated NVIDIA video card driver. Th...

8年以上前 | 0

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

9年弱前

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mixing two signals together
By the way, "mixing" in signal processing means multiplying. However after looking at the spectrum of the signals I am taking th...

9年弱前 | 0

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mixing two signals together
Your code as a number of very basic programming errors. For example: length(y) = 0:1/fs: 70000; This makes no sense, sin...

9年弱前 | 0

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

約9年前

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Tic Tac Toe FTW
Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

約9年前

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Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

約9年前

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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...

約9年前

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Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

約9年前

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Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

約9年前

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

約9年前

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What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

約9年前

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Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

約9年前

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Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

約9年前

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Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

約9年前

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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

約9年前

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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, ....

9年以上前

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

9年以上前

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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...

9年以上前

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Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

9年以上前

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

9年以上前

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Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

9年以上前

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Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

9年以上前

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