# Ramon Villamangca

Learner and Math Enthusiast

**Programming Languages:**

C++, C, Javascript, MATLAB, Assembly

**Spoken Languages:**

English

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**Content Feed**

Solved

Sum of two number using (regexp, varargin) comand?

Sum two number a &b and get there result in c using the rexp and varargin comand.

circa 2 ore ago

Problem

Easy Sequences 65: Fractional Part of Square Roots

The fractional part function of a positive real number , denoted as , is defined as: , where , is the 'floor' of . Thus, , and ...

circa 6 ore ago | 0 | 0 solvers

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 ...

circa 23 ore 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...

circa 24 ore 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...

1 giorno ago

Solved

Matrix Generation from Vector Multiplication

Output the matrix generated from multiplying two vectors together

1 giorno 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. ...

1 giorno 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...

1 giorno ago

Solved

Vector indexing: lower than mean

Find all values in a vector lower than the mean of the vector

1 giorno 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...

1 giorno 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...

1 giorno 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...

1 giorno 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...

1 giorno 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...

1 giorno 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...

2 giorni ago | 0 | 0 solvers

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...

2 giorni ago

Solved

Find a Prime Number

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

2 giorni 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...

5 giorni 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 giorni 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.

6 giorni 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 giorni ago | 0 | 1 solver