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Calculate days until Christmas

Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

14 Tage ago

Question

Why do I lost negative values in cell

If S={'md' 0 1 2 3 -1} for example with 'md' for missing data and values between -3 and 3 (-3,-2,-1,0,1,2,3). double([S{2:end}]...

18 Tage ago | 1 answer | 0

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Game of Nim

The Game of Nim is a famous studied 2 player strategy game. <http://en.wikipedia.org/wiki/Nim> There are 3 heaps, and you...

4 Monate ago

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Find the mean of a 2-D matrix after excluding elements of specified sub-matrix

You need to find the mean of a 2-D matrix after excluding elements which form an inner sub-matrix. e.g. If the input 2-D matrix ...

4 Monate ago

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Interpolate scattered data.

Most data was scattered, and there is no gird. There are three data [c] in three different area [x,y]. x=[1 3 4]; y=[1 ...

4 Monate ago

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Sorting integers by their digits (Level 4)

This is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/42815-sorting-integers-by-their-digits-level...

4 Monate ago

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Assignment Problem

Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...

4 Monate ago

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Next lexicographic - permutation

Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC I...

4 Monate ago

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Determine if input is a valid AHP evaluation matrix

Input is a matrix. Output is a true or false statement (1 or 0). Return true if input is a valid Analytic Hierarchy Process eval...

4 Monate ago

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Outer product of multiple vectors

In tensor algebra, it is often useful to define a tensor as a product of lower order tensors. Similarly, a multidimensional arra...

4 Monate ago

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the average value of the elements

Calculate the average value of the elements in the array

4 Monate ago

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Sort the prime numbers in each row of a 3x3 matrix

Considering a 3x3 matrix A, sort the prime numbers of each row in ascending order. For exemple: input A=[5 8 2 4; ...

4 Monate ago

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Large Sum (inspired by Project Euler 13)

Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

4 Monate ago

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Plot Damped Sinusoid

Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

4 Monate ago

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Calculate a Damped Sinusoid

The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

4 Monate ago

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Calculate the Damerau-Levenshtein distance between two strings.

<http://www.mathworks.co.uk/matlabcentral/cody/problems/2303-compute-hamming-distances-between-each-pair-of-rows-from-two-input-...

4 Monate ago

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Beauty of Parentheses

Given a string consisting of closed parentheses, form a string array in the following way so that the orders of these parenthese...

4 Monate ago

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square a number twice with square root of 4/5

square a number twice with square root of 4/5

4 Monate ago

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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.

4 Monate ago

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Check if number is a square number

Test if integer i is a square number. Return logical true if it is.

4 Monate ago

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create a matrix y of size (n+1) whose last column's elements are the summation of the elements of all the other columns and last row's elements are the summation of the elements of all the other rows; where 'n' is the size of the input matrix 'x'.

for example x=[1 2 3;4 5 6;7 8 9] then y=[1 2 3 6; 4 5 6 15; 7 8 9 24; 12 15 18 45]

4 Monate ago

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time of day

Calculate the time of day in days, hours, minutes or seconds passed since the beginning of the day, depending on the unit. The u...

4 Monate ago

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Check if integer is a prime number

Check if integer i is a prime number. Returns logical true '1' if it is.

4 Monate ago