1,031 total contributions since 2010

My interest is everything related to numerical schemes applied to PDE and Oceanography, UABC.

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Project Euler: Problem 9, Pythagorean numbers

A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

3 days ago

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Project Euler: Problem 3, Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

3 days ago

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Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

4 days ago

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Consecutive Powers

Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

4 days ago

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Matrix to vector transformation

given a matrix, make in the output 1 column vector putting odd numbers in ascending order after that put the even numbers in des...

7 days ago

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Fixed-Point Iteration

Perform fixed-point iteration to estimate the root of a nonlinear equation.

11 days ago

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Determine the roots of a cubic equation

Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

11 days ago

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center of mass

R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

11 days ago

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Measure a Special Distance

Given an n-by-2 matrix with positive and negative numbers, return an n-by-n matrix in the manner of the function template.

13 days ago

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Matlab Basics II - Operations and Matrix Dimensions

Write a function that takes two inputs, a & b, and outputs the sum and product of the two matrices. The matrices have OPPOSITE d...

13 days ago

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Simple Vector Addition

Take two incoming vectors and output the sum of the two vectors

14 days ago

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Hydrogens in a Saturated Hydrocarbon

Given (c) carbon atoms in a saturated hydrocarbon molecule (all single bonds), how many hydrogen atoms (h) are in the molecule?

14 days ago

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Snakes on a plane

Given the dimensions of a 2-d plane, create a matrix where a "snake" of ones occupies the plane from top left to bottom right. ...

14 days ago

Problem

Find the area of a triangle having vertices (A,B), (C,D), and (E,F)

Find the area of a triangle using if we have the three vertices of the triangle

19 days ago | 0

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Free-time Equation

Given a 7-day week, an *_nc_* -number of *_tc_* -hour classes, *_ta_* -hours awake in a day, and *_tw_* -hours that you work in ...

19 days ago

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Project Euler: Problem 4, Palindromic numbers

A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

23 days ago

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Project Euler: Problem 8, Find largest product in a large string of numbers

Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

23 days ago

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Find the product of the positive elements above the main diagonal.

Example Input A=[1 2; -3 0] Output 2

27 days ago

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Solve the system of equations.

_Ax=b_ * _A_ - square coefficient matrix * _b_ - right side column vector Find vecor _x_.

27 days ago

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Vector Element Multiplication

Take two incoming vectors, and output the element wise multiplication of the vectors.

27 days ago

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Solving Quadratic Equations (Version 2)

Before attempting this problem, solve version 1: <https://www.mathworks.com/matlabcentral/cody/problems/2510-solving-quadratic-...

1 month ago

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intervals

Write a function that takes an interval from a to b, and divides it into 6 parts.

1 month ago

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Rankine to Celsius Converter

Given input R, degrees Rankine, convert into degrees Celsius.

1 month ago

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Distances in a circle

A circle (360°) is given and a row of 6 monotonic increasing numbers with the which difference from last to first value is les...

1 month ago

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Crate a vector of logarithmically spaced

Create a vector of logarithmically spaced from 10^0 to 10^x with n sample Example: if x=4 and n=3 Answer must be=[1 100 10...

1 month ago

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Get the combinations

Consider p,q = 2 vectors of same or different length. Get a Output Array which has all the possible combinations of Elements o...

1 month ago

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Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

1 month ago

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Find and replace the zero array in a matrix

Find the zero array in the matrix and replace it with average of surrounding (adjacent) arrays. Example: A = 3 ...

1 month ago