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Andrew Newell


Last seen: 2 dagar ago
1 765 total contributions since 2011

A geophysicist who uses MATLAB for most of his modeling.
Professional Interests: geophysics

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Solved


List the emirps

10 dagar ago

Solved


Lambert's W
Matlab cody does not support lambertw. Try to create a lambert's w function yourself. Lambert's W is the function that solves...

10 dagar ago

Solved


First use of arrayfun() and anonymous function @(x)
Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x +...

24 dagar ago

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The End of the World
given a date -- represent it in the Maya long count system. <https://en.wikipedia.org/wiki/Maya_calendar> <https://maya.nm...

24 dagar ago

Solved


Lost days
Given two dates in a particular format, calculate the difference between them.

24 dagar ago

Solved


Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...

24 dagar ago

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leap year
find the number of leap years within the given time interval

24 dagar ago

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Friday or not
I love Friday. Please tell me whether the day is Friday. Dateformat is 'yyyy-mm-dd' or 'dd-mmm-yyyy' or 'mm/dd/yyyy'. Exa...

24 dagar ago

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Datetime basics
Generate the datetime scalar representing the current date

24 dagar ago

Solved


Find the day for a date
Today's day and date will be given to you. By utilising that you need to find the day of the old date. (Date will be in DD/MM/YY...

24 dagar ago

Solved


Friday the 13th
According to superstition, lots of unpleasant stuff happens on Friday the 13th, so you might like to find the next occurence of ...

24 dagar ago

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Day counter function
Write a function called _day_counter_ that returns the number of Mondays that fell on the first day of the month in a given year...

24 dagar ago

Solved


Count the days
Count the occurrence of a particular day (e.g. Monday) in a given year.

25 dagar ago

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How long until the weekend?
Write a function a that takes a date vector as an input and returns the number of hours until the weekend begins. The beginning...

25 dagar ago

Solved


Days until next NewYear ball drop
Given a date string in the form 'yyyy-mm-dd' or 'yyyy-mm-dd hh:mm:ss', calculate the number of *days* until the dropping of the ...

25 dagar ago

Answered
How do I generate a random number with beta distribution?
You can use the function betarnd, but you'll need to do some normalizing to get it in the standard form used by MATLAB (see Beta...

26 dagar ago | 0

| accepted

Answered
Newton Raphson - saving all values and using last iteration value as initial for next
Sorry, I just realized that you wanted to save the iterations. Here's how: x = -0.001*ones(6,length(A1)); for i=1:5 x(i+1...

26 dagar ago | 0

| accepted

Answered
Newton Raphson - saving all values and using last iteration value as initial for next
O.k. So here is how you do it: x = -0.001*ones(size(A1)); for i=1:5 x = x - f(x)./fd(x); end

26 dagar ago | 0

Solved


Combinations without using nchoosek
You have to generate a matrix with all possible combinations of n elements *taken 2* at a time, *without using nchoosek(1:n,2)* ...

29 dagar ago

Solved


Find the Pattern 3

29 dagar ago

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Find the Pattern 2

29 dagar ago

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Find the Pattern 1

29 dagar ago

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

29 dagar ago

Solved


Converts numbers into characters
Converts numbers into characters

29 dagar ago

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

29 dagar 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

29 dagar ago

Solved


to the 2 all elements
to the 2 all elements

29 dagar ago

Solved


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

29 dagar ago

Solved


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

29 dagar ago

Solved


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

29 dagar ago

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