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help with magic matrix

It is proved that there exist magic squares for any n >=3 (cf. L.Bieberbach). function ret = getMagicMatrix() prompt = 'Enter ...

help with magic matrix

It is proved that there exist magic squares for any n >=3 (cf. L.Bieberbach). function ret = getMagicMatrix() prompt = 'Enter ...

2 months ago | 0

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Single instance of class

In order to limit a single instance of a class you can use the persistent variables. Such type of classes are called Singleton C...

Single instance of class

In order to limit a single instance of a class you can use the persistent variables. Such type of classes are called Singleton C...

2 months ago | 1

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Answered

How can I replace this a value in the array with the k where the value is k-th min?

A = [1 434 22 434 23 53 89 199]; u = unique(A) for i=1:1:length(A) A(find(A==u(i))) = i; end

How can I replace this a value in the array with the k where the value is k-th min?

A = [1 434 22 434 23 53 89 199]; u = unique(A) for i=1:1:length(A) A(find(A==u(i))) = i; end

2 months ago | 0

Answered

what is PolySpace.

Polyspace is a Mathworks product which is a static code analysis tool. It detects or also proves the absence of any certain run ...

what is PolySpace.

Polyspace is a Mathworks product which is a static code analysis tool. It detects or also proves the absence of any certain run ...

2 months ago | 0

Answered

degrees2dms Syntax

Degrees2dms takes in degree input (1x1) and converts it into degree minute and second ie. 1x3 output. So here when you pass 1x3 ...

degrees2dms Syntax

Degrees2dms takes in degree input (1x1) and converts it into degree minute and second ie. 1x3 output. So here when you pass 1x3 ...

2 months ago | 0

Answered

For loop basic adaptive thresholding

Following are the links to the official links for for loop and while loops respectively: https://www.mathworks.com/help/matlab/...

For loop basic adaptive thresholding

Following are the links to the official links for for loop and while loops respectively: https://www.mathworks.com/help/matlab/...

2 months ago | 0

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Solved

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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

2 months ago

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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...

2 months ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

2 months ago

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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...

2 months ago

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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...

2 months ago

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Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

2 months ago

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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 + ...

2 months ago

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Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

2 months ago

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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...

2 months ago

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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...

2 months ago

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Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

2 months ago

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Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

2 months ago

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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...

2 months ago

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Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

2 months ago

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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...

2 months ago

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Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

2 months ago

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Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

2 months ago

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Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

3 months ago