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# Stanislao Pinzón

##### Last seen: environ 2 mois ago
90 total contributions since 2019

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Filling a region in the complex plane in Matlab
Maybe something like this: f1=@(x,y) (1+x+x.^2-y.^2).^2+(y+2.*x.*y).^2-1; V = fimplicit(f1); hold on axis([-1.5 0.5 -1.5 1.5...

7 mois ago | 0

how to skip the index of array
Maybe something like this: A = [1,2,1,2,4]; for i=1:length(A) B=1:6; B(A(i))=[]; disp(B); e...

12 mois ago | 0

Solved

How many Fibonacci numbers?
Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

12 mois ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

12 mois ago

Solved

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

12 mois ago

removing specific values in a cell array
Maybe something like this A = {1:10,1:10}; A{1}(A{1}<3|A{1}>8) = []; A{2}(A{2}<3|A{2}>8) = []; Naturally, it would be tediou...

12 mois ago | 1

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

12 mois ago

Solved

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

12 mois ago

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

12 mois ago

Solved

Get the area of ​​the square.
Four circles are inscribed in the square ABCD. The perimeter of each circle is *aπ*. <<http://imgfz.com/i/UzgCJut.png>> Gi...

12 mois ago

Solved

Find the area of ​​the square
There are *n²* circles inscribed in the square ABCD. The perimeter of each circle is *aπ* <<http://imgfz.com/i/3wzCeAT.png>> ...

12 mois ago

Solved

How many Christmas presents under the tree?
For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

12 mois ago

Solved

Juego de posiciones
Crea una función que ordene vectores de tal manera que los primeros números sean negativos ordenados de menor a mayor. Y después...

12 mois ago

Solved

Squares of odd numbers upto a given range
Find the squares of odd numbers upto a given range. If Given x=6 return y=(1^2,3^2,5^2) y=1,9,25 If Given x=5 retu...

12 mois ago

Solved

Construyendo matrices parte 2
Construye la siguiente matriz a partir de otros tres vectores/matrices. [ 1 8 15 3 3 3 3 2 9 16 3 3...

12 mois ago

Solved

Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

12 mois ago

Solved

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

12 mois ago

Solved

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

12 mois ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

12 mois ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

12 mois ago

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

12 mois ago

Problem

Find the area of ​​the square
There are *n²* circles inscribed in the square ABCD. The perimeter of each circle is *aπ* <<http://imgfz.com/i/3wzCeAT.png>> ...

12 mois ago | 1 | 36 solvers

Problem

Get the area of ​​the square.
Four circles are inscribed in the square ABCD. The perimeter of each circle is *aπ*. <<http://imgfz.com/i/UzgCJut.png>> Gi...

12 mois ago | 1 | 39 solvers

Solved

Distance Between Points
Being n the number of points (If n = 3 there would be 3 points: A, B and C). The distance between each pair of points increases...

12 mois ago

Solved

Electric Flux
Calculate the flux passing through a surface. E is electric field, A is area.

12 mois ago

Solved

4xa
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y.

12 mois ago

Problem

Distance Between Points
Being n the number of points (If n = 3 there would be 3 points: A, B and C). The distance between each pair of points increases...

12 mois ago | 2 | 26 solvers

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

12 mois ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

12 mois ago

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

12 mois ago