# Ramon Villamangca

Learner and Math Enthusiast

**Programming Languages:**

C++, C, Javascript, MATLAB, Assembly

**Spoken Languages:**

English

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**Content Feed**

Solved

Calculate some equation

Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...

circa un'ora ago

Solved

Change matrix to vector

Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

circa un'ora ago

Solved

How to calculate log?

There is a log that have base 5. How to calculate? log5(x)?

circa un'ora ago

Solved

Solve expression III

Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

circa un'ora ago

Solved

Solve expression II

Solve given expression. alpha=0.1(-x-y-50)/(exp((-x-y-50)/10)-1) beta=5exp((-x+y-60)/20) result=alpha+beta;

circa un'ora ago

Solved

Solve expression I

Solve expression (1+sin(x))/cos(x)+cos(x)/(1+sin(x)) for given vector x.

circa 2 ore ago

Problem

Easy Sequences 31: N-N's Sequence

We define the N-N's Sequence, as the series of all positive integers in ascending order and with repetition, wherein a appears ...

circa 2 ore ago | 0 | 0 solvers

Problem

Easy Sequences 30: Nearly Pythagorean Triangles

A Nearly Pythagorean Triangle (abbreviated as "NPT'), is integer-sided triangle whose square of the longest side, which we will ...

circa 10 ore ago | 0 | 0 solvers

Solved

Calculate solution of given polynomial

For example, y=function([3 -2 -4]) In here, input vector indicate 3*x^2-2*x-4, y is solution of former equation. y=[1.5...

circa 16 ore ago

Solved

A little bit of luck needed

This one may require a little bit of guess work, but it is possible. Hints: - The same solution might fail the tests once and ...

circa 16 ore ago

Solved

Find hen's weight.

If hen weights x kilos on two legs, how much does it weights on one leg? Output the result.

circa 16 ore ago

Solved

Finding two missing number in 1 to n array

You are given an array of numbers from 1 to n with two missing numbers. Return the two missing numbers. Input: x=[5 2 0 1 ...

circa 16 ore ago

Solved

Calculate cosine without cos(x)

Solve cos(x). The use of the function cos() and sin() is not allowed.

circa 16 ore ago

Solved

Calculate sin(x) without sin(x)

Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)

circa 16 ore ago

Solved

Remove all the columns contains only zero

Remove the column from the matrix which has only zeros . Refer the Example below a= 1 0 3 0 23 0 56 0 1 ...

circa 16 ore ago

Problem

Easy Sequences 29: Odd proper divisors of odd proper divisors

The number is special. It has odd number of proper divisors: . Furthermore, if you take any of its proper divisors, say , it t...

1 giorno ago | 0 | 0 solvers

Solved

i forgot to use capital I

When referring to yourself you should write "I" (capital) and not "i". So correct the input string x, but be aware that other u...

1 giorno ago

Problem

Easy Sequences 28: Sum of Radicals of Integers

The radical of a positive integer is defined as the product of the distinct prime numbers dividing . For example, the distinct ...

1 giorno ago | 1 | 1 solver

Problem

Easy Sequences 27: Product of Radicals of Integers

The radical of a positive integer is defined as the product of the distinct prime numbers dividing . For example, the distinct ...

1 giorno ago | 1 | 1 solver

Solved

Avengers Assemble!

Given matrix with so many zeroes, trim those zeroes and output a matrix joining all nnz elements Example: input = [0 0 0 0 0; 0...

1 giorno ago

Solved

Logarithm with base other than 'e'

The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for ...

1 giorno ago

Solved

Solve t^(a*x^2+b*x+c)=s

Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

1 giorno ago

Solved

Convert array of decimal numbers into binary numbers array.

Convert an array of decimal numbers into binary numbers array. For example: x = [1 2 3 4 5 6 7 8]; result = [1; 10; 11;...

1 giorno ago

Solved

Where is the number that you want to find?

For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

1 giorno ago

Solved

Get chain of consecutive characters

Write a function that will output a chain of consecutive characters, given 2 letters as input. It has to work backwards too. Exa...

1 giorno ago