Community Profile

photo

Ramon Villamangca


Last seen: Today Active since 2018

Learner and Math Enthusiast

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

Statistics

All
  • Revival Level 1
  • First Answer
  • Indexing I Master
  • Computational Geometry I Master
  • Famous
  • Cody Problems in Japanese Master
  • Indexing II Master
  • Functions I Master
  • Puzzler
  • Draw Letters
  • Sequences And Series II Master
  • Creator

View badges

Content Feed

View by

Solved


Negation the hard way
Write a function that has the following property: f(f(x)) = -x for any numeric array x. Note that there is no restriction on ...

alrededor de 5 horas ago

Solved


Four quadrant inverse tangent function.
Create a function that returns an array P the same size as X and Y containing the element-by-element, four-quadrant inverse tang...

alrededor de 5 horas ago

Solved


String Delimination and Outputting
In this problem, take an incoming string and deliminate the string based on spaces. Output the first string in between the space...

alrededor de 5 horas ago

Solved


Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

alrededor de 6 horas ago

Solved


Matrix Generation from Vector Multiplication
Output the matrix generated from multiplying two vectors together

alrededor de 6 horas ago

Solved


Calculate the values of a polynomial.
Calculate the values of a polynomial.Input parameter p - vector of polynomial coefficients, x - matrix of the argument values. ...

alrededor de 11 horas ago

Solved


Find index of a string in a cell array
Write a function that finds the index at which the cell array of strings C contains the exact string S. So if C = {'twe...

alrededor de 11 horas ago

Solved


Vector indexing: lower than mean
Find all values in a vector lower than the mean of the vector

alrededor de 12 horas ago

Solved


Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

alrededor de 12 horas ago

Solved


Calculate the structural rank of a 2-by-4 matrix.

alrededor de 12 horas ago

Solved


Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variables...

alrededor de 12 horas ago

Solved


System of Linear Equations

alrededor de 12 horas ago

Solved


Falling on the Moon.

alrededor de 12 horas ago

Solved


Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

alrededor de 12 horas ago

Solved


An n-sided regular polygon is drawn within a circle whose radius is 'r', what will be the area of the polygon?
area of a polygon is p*a/2. where, p is the perimeter and a is the apothem i.e. the normal distance from center to any of the si...

alrededor de 12 horas ago

Solved


Calculate feeling temperature before climbing a mountain
I sometimes climb a mountain. As is well known, when the altitude becomes 100 (m) higher, the temperature lowers by 0.6 degrees...

alrededor de 13 horas ago

Solved


Sales Tax

alrededor de 13 horas ago

Solved


List the dopey numbers
If vile numbers have binary representations that end with an even number of zeros (even vile), then numbers with binary represe...

alrededor de 14 horas ago

Problem


Easy Sequences 64: Base-14 Arithmetic Function
For an integer , the base-14 arithmetic function, , is defined as follows: Convert to base-14, using the letters '' for digits...

1 día ago | 0 | 0 solvers

Solved


Basic: fft
Calculate the value using fft

1 día ago

Solved


Volume of Cylindrical Shell

1 día ago

Solved


List the vile numbers
Evil numbers, the subject of Cody Problem 2733 have an even number of ones in their binary representations, whereas odious numbe...

1 día ago

Solved


Find a Prime Number
Find a prime number from a vector Example: [2 51 8 65 19] a = 51

1 día ago

Solved


Babylonian method
Calculate the square root of a given positive number a using the Babylonian method (https://en.wikipedia.org/wiki/Methods_of_co...

4 días ago

Solved


Add 100

4 días ago

Solved


remove nans fast
There are several ways to locate and remove nans in a matrix, and return an 1d row vector. In this problem the challenge is ...

5 días ago

Solved


Given n, create n random numbers such that their standard deviation is also n.
Given n, create n random numbers such that their standard deviation is also n.

5 días ago

Problem


Easy Sequences 63: Base-63 Arithmetic Functions
In this exercise we are required to implement 7 basic 'unsigned integer' arithmetic functions in base-63: to63(x) - convert...

6 días ago | 0 | 1 solver

Solved


Draw 'P' !!!
Draw a n by n matrix 'P' using 0s and 1s. (n is odd and greater than 4) if n=5 , then the output will be [1 1 1 1 1 1 0 0 0...

8 días ago

Solved


List the Beatriz numbers
Write a function to find integers less than or equal to an input value that solve the equation . The function gives the sum o...

8 días ago

Load more