Dyuman Joshi

Last seen: 2 days ago | Active since 2012

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Mechanical Engineer IITG-20 | Moderator - MATLAB Cody since Jan 2021 | Time zone - IST (GMT +5.30)

Programming Languages:
Python, MATLAB
Spoken Languages:
English, Hindi
Pronouns:
He/him
Professional Interests:
Fluid Dynamics, Aerospace Engineering, Computational Fluid Dynamics (CFD), Hydraulics and Pneumatics

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Complete hydraulic geometry relations
Hydraulic geometry relations express the velocity , width , and depth of a river as a function of the discharge (or flow) , whi...

9 days ago

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Factor a number into Fermi-Dirac primes
Cody Problem 58018 asked you to list the Fermi-Dirac primes, which are prime powers with exponents that are powers of 2. As note...

23 days ago

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Recurring Cycle Length (Inspired by Project Euler Problem 26)
Preface: This problem is inspired by Project Euler Problem 26 and uses text from that question to explain what a recurring cycle...

26 days ago

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Describe n from right to left
If you were to describe the number 46 from right to left, you could say “one 6, one 4”, or 1614. The number 8663 would be “one 3...

27 days ago

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Determine whether a number is a Ludic prime
Ludic numbers are formed by a sieve. Start with a list of the positive integers. Skip 1 and start with 2. Then delete every seco...

27 days ago

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Identify points inside a Reuleaux triangle
Write a function to identify points that lie in or on a Realeaux triangle, which is a curve of constant width. The input to the ...

1 month ago

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Add non-triangular numbers
The nth triangular number is the sum of the first n positive integers. The sequence of triangular numbers starts 1, 3, 6, 10, 15...

1 month ago

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Sum along each diagonal of a matrix
Write a routine that returns the sums along the diagonals of a given matrix, A, where the first diagonal is the bottom left corn...

2 months ago

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Determine whether a number is a Blum integer
A Blum integer is a semiprime—that is, the product of two distinct primes—whose factors have the form for some integer . The nu...

3 months ago

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The Prime Days of Christmas
On the first day of Christmas my true love sent to me partridges in a pear tree. On the second day of Christmas my true love s...

3 months ago

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Sherlock Holmes: The Spy Problem
A guest at a party is a spy if this person is not known by any other guest, but knows all of them. There is at most one spy at a...

3 months ago

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Extract Increasing Integers from Digit String
Given a string containing only digits, the function get_integers should return the list of increasing integers obtained by readi...

3 months ago

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Find the number of diagonals in a n sided polygon.
Find the number of diagonals in a n sided polygon.

3 months ago

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List the nth term of Rozhenko’s inventory sequence
Consider a sequence constructed by repeated inventories. A new inventory begins each time a zero is encountered. The first few i...

3 months ago

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Determine ground distance from an aircraft to a DME station
In aviation, distance measuring equipment (DME) uses radio signals to determine slant distance from an aircraft to a ground stat...

3 months ago

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Determine pressure altitude using field elevation and altimeter setting
Given an airfield's elevation in feet (ft) and the current altimeter setting in inches of mercury (inHg), calculate the pressure...

3 months ago

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Hofstadter H sequence
The Hofstadter H sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 3, 4, 4, 5, 5, 6. Write ...

4 months ago

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Hofstadter G sequence
The Hofstadter G sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 3, 3, 4, 4, 5, 6. Write ...

4 months ago

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Hofstadter Female and Male sequences
The Hofstadter Female (F) and Male (M) sequences are defined as follows Write a function to compute for a given n. See http...

4 months ago

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Family Savings Analysis
Given the bank accounts of individuals defined by a list of tuples containing the last name, first name, and savings: accounts ...

4 months ago

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Pronounce digits
Given a number num, select the first d decimal places and pronounce the digits (in English). The function returns the pronunciat...

4 months ago

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Merge two integers
We want to merge the digits of two integers having the same number of digits to obtain a new integer whose digits are obtained b...

4 months ago

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Limiting Element Occurrences
You are given a list 'v' of numbers. This list may contain repeated numbers. Your objective is to create a new list that maintai...

4 months ago

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Counting the occurrences of a digit in a book
The printer has printed a book with 'p' pages. How many times did they use the character 'd'? In other words, how many times doe...

4 months ago

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Digits eliminate
Complete the function my_f(n,b) to return, for a given integer, the number obtained by removing the digits '0' and 'b'. If there...

4 months ago

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Replace with Lower
Given a list of integers, for each element, replace it with the minimum integer found in the sub-list to its strict right (exclu...

4 months ago

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Reverse Integer
You are given an integer, reverse its digits. For negative integers, the sign should remain in the front. For instance, 12340 s...

4 months ago

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Leader
An element of a list is called a "leader" if every element to its right (and not just the one immediately to its right) is stric...

4 months ago

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Recursive triangle area
Given triangle 1 with sides of length a, b, and c. Triangle 2 is constructed within triangle 1 by bisecting each side. Triangl...

4 months ago

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Sort by absolute value
Given a list of numbers, arrange them in ascending order based on their absolute values. For example, for the list [-30, -5, 1...

4 months ago

Dyuman Joshi

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