Community Profile

photo

Bernardo Cardoso de Aquino Cruz

MathWorks

Last seen: 4 giorni ago Active since 2022

Statistics

  • Speed Demon
  • Creator
  • Project Euler I
  • Cody Problems in Japanese Master
  • CUP Challenge Master
  • Commenter
  • Promoter
  • ASEE Challenge Master
  • Draw Letters
  • Introduction to MATLAB Master
  • Community Group Solver
  • Solver

View badges

Content Feed

View by

Solved


Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

6 giorni ago

Solved


subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

6 giorni ago

Solved


Create the Ulam spiral
Have you ever seen this wonderful spiral ? The Ulam Spiral is arranging prime numbers in a clockwise spiral starting in 0. Give...

7 mesi ago

Solved


Area of a regular hexagon
Given the length of a side of a regular hexagon, return its area rounded to two decimal places.

7 mesi ago

Solved


Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

7 mesi ago

Solved


Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

7 mesi ago

Solved


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

7 mesi ago

Solved


Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

7 mesi ago

Solved


Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

7 mesi ago

Solved


Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

7 mesi ago

Solved


Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

7 mesi ago

Solved


String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

7 mesi ago

Solved


Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

7 mesi ago

Solved


Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

7 mesi ago

Solved


Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

7 mesi ago

Solved


Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

7 mesi ago

Solved


Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

7 mesi ago

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

7 mesi ago

Solved


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

7 mesi ago

Solved


Converts numbers into characters
Converts numbers into characters

7 mesi ago

Solved


Find the max element of the array
Find the max element of the array

7 mesi ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

7 mesi ago

Solved


Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

7 mesi ago

Solved


to the 2 all elements
to the 2 all elements

7 mesi ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

7 mesi ago

Solved


Double all elements in the array
Duplicate all elements in the array

7 mesi ago

Solved


calculate the length of matrix
input 1 array, calculate the length

7 mesi ago

Solved


Draw a '0' in a one matrix!

7 mesi ago

Solved


matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

7 mesi ago

Solved


Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

7 mesi ago

Load more