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Find the max element of the array
Find the max element of the array

3 years ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

3 years ago

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

3 years ago

Solved

to the 2 all elements
to the 2 all elements

3 years ago

Solved

the average value of the elements
Calculate the average value of the elements in the array

3 years ago

Solved

Double all elements in the array
Duplicate all elements in the array

3 years ago

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calculate the length of matrix
input 1 array, calculate the length

3 years ago

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Draw a '0' in a one matrix!

3 years ago

Answered
Ranking vectors from highest to lowest including repeated ranks.
Hi William, I did it using a loop. Please let me know if the code below is what you wanted x=[0.4 0.1 0.1 0.2 0.1 0.05 0.05]; ...

3 years ago | 0

Answered
Find Optimal Number of Cluster using Silhoutte Criterion from Scratch In MATLAB
x =[ [0.1 0.2 0.15 0.2 0.21 ] 1+[0.1 0.2 0.15 0.2 0.21 ]]; y =[ [0.1 0.2 0.15 0.2 0.21 ] 1+[0.1 0.2 0.15 0.2 0.21 ]]; X = [x...

3 years ago | 1

| accepted

Question

Percentage of Parent Row Total or percentage of Parent Column Total in new function pivot
I wonder if it is possible in the new function pivot (MATLAB prerelease 2023A) to produce a pivot table which shows values in pe...

3 years ago | 1 answer | 0

1

answer

Solved

Make a Plot with Functions
Make a plot and test

3 years ago

Solved

The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

3 years ago

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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

3 years ago

Solved

Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

3 years ago

Solved

Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

3 years ago

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Sum of series VIII

3 years ago

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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

3 years ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average as follows Example [1 2 3] and [10 15 20] should result in 33.3...

3 years ago

Submitted

Data analysis for marketing (language Italian)
Matlab files associated to the course "Data analysis for marketing", University of Parma, Italy (course taught in Italian)

3 years ago | 0 downloads |

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Easy Sequences 4: Eliminate the Days of Confusion
If a date is written in purely numeric format some dates can be confusing, if we don't know the date format used. For example, "...

4 years ago

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Easy Sequences 3: Prime 44-number Squares
The positive integers 62 and 238 are related. Their squares (3844 and 56,644) both end in '44'. In fact, 62 and 238 are the 3rd ...

4 years ago

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Easy Sequences 2: Trigonometric function with integral input and output
The function 'F', defined as: , will always return an integer if the input is a natural number (in radian...

4 years ago

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Easy Sequences 1: Find the index of an element
The nth element of a series is defined by: . Obviously, the first element . Given the nth element , find the value of the corre...

4 years ago

Solved

Generate a Parasitic Number
This problem is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/156-parasitic-numbers Problem 156>. ...

4 years ago

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Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

4 years ago

Solved

Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...

4 years ago

Solved

Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

4 years ago

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nth Rational Number
Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

4 years ago

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Polygonal numbers
The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...

4 years ago