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Amy


Last seen: plus d'un an il y a |  Actif depuis 2012

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Question


Help with use of multilievel pointers
I would like to be able to do something like the following: data = { zeros(5,3), zeros(10,3)}; dataPtr = libpointer(...

plus de 7 ans il y a | 1 réponse | 0

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réponse

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Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

environ 8 ans il y a

A résolu


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

environ 8 ans il y a

Réponse apportée
Help comparing two matrices
You can use logical indexing for that. If m1 is the first matrix and m2 is the second and C is the comparison, I think you want ...

presque 10 ans il y a | 1

| A accepté

Question


How can I save complex data to HDF5 file?
I'm looking for a good way to save complex data, having a real and imaginary component, to an HDF5 file. Is there something out ...

presque 10 ans il y a | 1 réponse | 0

1

réponse

Question


Create non-editable UI controls in a GUI with the figure toolbar
I am trying to create a GUI that contains plots of data and UI controls that control what is plotted. I would like the GUI to in...

presque 12 ans il y a | 2 réponses | 0

2

réponses

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Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

presque 12 ans il y a

A résolu


Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

plus de 12 ans il y a

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

plus de 12 ans il y a

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

plus de 12 ans il y a

A résolu


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.

plus de 12 ans il y a

A résolu


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

plus de 12 ans il y a

A résolu


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

plus de 12 ans il y a

Réponse apportée
invisible curves under filled area??
The easiest way is to reorder the code to plot the filled area first. Without reordering the code, I couldn't find a way to do k...

plus de 12 ans il y a | 0

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

presque 13 ans il y a

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

presque 13 ans il y a

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Is my wife right?
Regardless of input, output the string 'yes'.

presque 13 ans il y a

A résolu


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

presque 13 ans il y a

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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...

presque 13 ans il y a

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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 ...

presque 13 ans il y a

A résolu


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

presque 13 ans il y a

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

presque 13 ans il y a

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

presque 13 ans il y a

A résolu


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 13 ans il y a

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

presque 13 ans il y a

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

presque 13 ans il y a

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

presque 13 ans il y a

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

presque 13 ans il y a

A résolu


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

presque 13 ans il y a

A résolu


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

presque 13 ans il y a

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