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chris shen


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Domanda


Weird bugs when solving three coupled second order differential equations using ode45
Hi guys, I am new to ode45 so I am very confused about its results. I have good results when solving two coupled differential eq...

3 mesi fa | 1 risposta | 0

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risposta

Domanda


How to plot a dot as a sphere like those in OriginLab?
As shown below, in Origin one can choose the dot shape as a sphere which looks like a solid, fancy! So how can Matlab also do th...

oltre 2 anni fa | 1 risposta | 0

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Risolto


Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

oltre 3 anni fa

Risolto


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 ...

oltre 3 anni fa

Risolto


birthday on same day of week
Say, Mr. X's birthday is on 20th July, 2014. It was Sunday. Determine the closest year when his birthday will again be on Sunday...

oltre 3 anni fa

Risolto


How Many Months Until It's Today Again?
Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

oltre 3 anni fa

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weekday and month
Given a year and a weekday, determine how many months of that year had five of those weekdays. It is kind of easy to find. Ex...

oltre 3 anni fa

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microseconds passed today
Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a stri...

oltre 3 anni fa

Risolto


calculate the day of the year from a date string.
'09-Oct-2016' is the 283rd day of the year. So doy = dayoftheyear('09-Oct-2016') should return doy = 283

oltre 3 anni fa

Risolto


Find my birthday
Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what a...

oltre 3 anni fa

Risolto


Get an array of month-ends in a date range
Create a function that would return a list of month-ends falling in a given date range. If a start date or end date falls on a...

oltre 3 anni fa

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

oltre 3 anni fa

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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...

oltre 3 anni fa

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

oltre 3 anni fa

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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...

oltre 3 anni fa

Risolto


Calendar Matrix
Return a calendar matrix for the given values of month and year. Assume that Sunday is the first day of the week. The resulting ...

oltre 3 anni fa

Risolto


Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

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

oltre 3 anni fa

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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 ...

oltre 3 anni fa

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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...

oltre 3 anni fa

Risolto


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...

oltre 3 anni fa

Risolto


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 ...

oltre 3 anni fa

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Datetime basics
Generate the datetime scalar representing the current date

oltre 3 anni fa

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

oltre 3 anni fa

Risolto


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

oltre 3 anni fa

Risolto


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

oltre 3 anni fa

Risolto


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

oltre 3 anni fa

Risolto


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

oltre 3 anni fa

Risolto


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

oltre 3 anni fa

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