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Ramon Villamangca


Last seen: Today Active since 2018

Learner and Math Enthusiast

Programming Languages:
C++, C, Javascript, MATLAB, Assembly
Spoken Languages:
English

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  • Revival Level 1
  • First Answer
  • Cody Problems in Japanese Master
  • Indexing II Master
  • Functions I Master
  • Puzzler
  • Draw Letters
  • Sequences And Series II Master
  • Creator
  • Scholar
  • Promoter
  • Magic Numbers II Master

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Solved


Determine if given number is perfect
A number is <http://en.wikipedia.org/wiki/Perfect_number perfect> if it is equal to the sum of its factors, excluding itself. ...

alrededor de 3 horas ago

Solved


Integer to boolean
Write a general function that will create the following conversation; Input is a column vector with integers Output is a b...

alrededor de 4 horas ago

Solved


Detect a number and replace with two NaN's
Write code which replaces the number 1 with two NaNs. Example X = [ 1 2 NaN 4 1 3 7 NaN 1 4 NaN 2] ...

alrededor de 4 horas ago

Solved


Create logarithmically spaced values (★)
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

alrededor de 4 horas ago

Solved


Sum of elements in a vector (★)
(copy of Prob. 3) Find the sum of all the numbers of the input vector x. Input x = [1 2 3 5] Output y is 11 <> ...

alrededor de 5 horas ago

Solved


I'm going to enjoy watching you calculate, Mr Anderson
Smith numbers are numbers such that if you add up all of the digits in the number, that sum equals the sum of all of the digits ...

alrededor de 5 horas ago

Solved


Leading-zero padding
Write a function that will add leading-zero padding to all numbers in the supplied vector, as necessary, based on the maximum nu...

alrededor de 5 horas ago

Solved


Find Logic 21

alrededor de 6 horas ago

Solved


Find Logic 32

alrededor de 7 horas ago

Solved


How to locate the position of an element in a vector without using the find function
(copy of prob 105 with test for find function) Write a function posX = *locatePos* (x,y) which returns the location o...

alrededor de 21 horas ago

Solved


Find Logic 30

alrededor de 21 horas ago

Solved


Summing Rows and Columns
Create a matrix y of size (n+1) whose last column's elements are the summation of the elements of all the other columns and last...

alrededor de 21 horas ago

Solved


Area of a disk
Find the area of a disk or circle. x= radius of the disk.

alrededor de 22 horas ago

Solved


most frequent character
Obtain the most frequent character. For example, s='balaram'; output='a'; If there is a tie between letters, return t...

alrededor de 22 horas ago

Solved


Looking for Squares
Need n squares that equal one square all together, none zero, none fractured. For example, calling squares(2) should output [16...

1 día ago

Solved


Sum of digit range
Example: If A is n1, and B is n2 digit positive numbers. A*B's digit range will be [c d] (c = min & d = max). Then return ...

1 día ago

Solved


Number Puzzles - 019
Borrowing the idea from Pascal Triangle, the following operation can be performed. Starting with an array of numbers from 1 to N...

1 día ago

Solved


prime test
find largest 2 digit prime number

1 día ago

Solved


Number Puzzle - 052

1 día ago

Solved


Number Puzzle - 022

1 día ago

Solved


Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

1 día ago

Solved


MiniMax
Find the smallest value in array, which is the maximum of its row and column. Example: in array shown below are two numbers w...

2 días ago

Solved


Modular multiplicative inverse
Modular multiplicative inverse is used for _The Chinese Remainder Theorem_ and _RSA algorithm_. You can visit <http://en.wikiped...

2 días ago

Solved


COUNT VOWEL 2
The objective of this problem is to determine the number of unique vowels used in the given string. Now count vowels in STRI...

2 días ago

Solved


Pascal's Matrix
Given an integer n &ge; 0, generate the ( _n_+1) &times; ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

2 días ago

Solved


Generate pi using logarithm
Generate pi using logarithm

4 días ago

Solved


Raise Matrix to Power
For a given square matrix x and scalar a, find x^a without using '^' or 'mpower'.

4 días ago

Solved


Guess the Coefficients!
Given a polynomial _p_ known to have positive integer coefficients, deduce the values of the coefficients. For example: ...

4 días ago

Solved


Subtract two positive numbers
Given a and b as a string, return b-a without using string to number conversion functions. a and b must to be a same size and b ...

4 días ago

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