goc3

Last seen: 1 día ago

2.877 total contributions since 2014

Materials Scientist / Metallurgist / Mechanical Engineer
Professional Interests: Data automation, synthesis, and analysis

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Answered
Precision problem while solving Cody Problems
There are quite a few problems that have been posted to Cody that erroneously use isequal() to test answers, rather than using a...

4 meses ago | 2

Solved

Scrabble Scores - 4
This problem is part of a set of problems that successively develop a more sophisticated Scrabble scoring routine. The point dis...

11 meses ago

Highlighted

Cody - Draw Letters
<https://www.mathworks.com/matlabcentral/cody/home Cody> has a wealth of <https://www.mathworks.com/matlabcentral/cody/groups/ p...

11 meses ago | 6

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...

más de 1 año ago

Solved

return row and column indices given 2 values which define a range
Inspired by problem <http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice> Inputs: - ...

más de 1 año ago

Solved

Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...

más de 1 año ago

Problem

Lights Out 15 - 5x5, broken buttons I
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

más de 1 año ago | 0 | 8 solvers

Solved

Get Next Combination
Return next combination For example three-element combinations of 1:5 1 2 3 1 2 4 1 ...

más de 1 año ago

Solved

Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

más de 1 año ago

Solved

Pascal's Equilateral triangle inside a Matrix!!!
Given a number of row 'n', generate the following pascal's matrix 'p' where spaces are filled by 'zeros'. number of row, n = ...

más de 1 año ago

Solved

Find the centre of an arc and its radius
Given two points on an arc (x0,y0) and (x1,y1) and the angle between them, alpha. Return the centre of the circle and the rad...

más de 1 año ago

Solved

Approximate the inverse tangent by power series
Given values b (where abs(b)<=1) and n (polynomial order), write a function that calculates atan(b) by using power series.

más de 1 año ago

Problem

Lights Out 14 - 5x5, four stages, x moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

casi 2 años ago | 1 | 7 solvers

Problem

Lights Out 13 - 5x5, three stages, x moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

casi 2 años ago | 1 | 7 solvers

Solved

Parsing Expressions - Binary Arithmetic Operators I
Parse and evaluate expressions like these: '1 + 2' '51 - 78' '42 * 9' The only operators are +, -, *. Both argu...

casi 2 años ago

Solved

Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.
--------------------- for m: 3 1 3 3 10 1 9 1 9 4 1 4 5 6 5 ...

casi 2 años ago

Solved

Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:
A = [1 2 3 4 5 6] ----------- B = [0 0 0 0 0 0 1 2 3 0 0 4 5 6 0 0 0 0 0 0]

casi 2 años ago

Solved

Given a Vector v1, create v2 which is the sum of each two adjacent elements in v1. {length(v2)=length(v1)-1}
if v1 is [1 2 3 4 5 6 7 8] then v2 should be [3 5 7 9 11 13 15]. if v1 is [1; 3; 5; 7] the...

casi 2 años ago

Solved

Opposite point of the earth, what is the antipodal of a point ?
Given two strings(lat and long) that represent the geographic coordinates of a point in the earth, you have to find out what is ...

casi 2 años ago

Solved

Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

casi 2 años ago

Solved

Calculate Resistance
Calculate Resistance R of a linear conductor having resistivity p, length l and area A

casi 2 años ago

Solved

Add 3 numbers
In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

casi 2 años ago

Solved

Sum of a geometric series
Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.

casi 2 años ago

Problem

Lights Out 12 - 5x5, three stages, <7 moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

casi 2 años ago | 0 | 8 solvers

Problem

Lights Out 11 - 5x5, with wrapping, x moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

casi 2 años ago | 1 | 10 solvers

Solved

Permutation Via Multiplication
Given two numbers a and b, determine if the product ab is a permutation of the digits of a. For example, this is always true for...

casi 2 años ago

Solved

Easy problem
This is an easy problem. Just click on submit.

casi 2 años ago

Solved

Mean number of letters per word (Easy)
Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...

casi 2 años ago

Solved

X O X Oh!
_This follows on from problem 44850 - X O X O_ <https://www.mathworks.com/matlabcentral/cody/problems/44850-x-o-x-o> On a...

casi 2 años ago

Solved

X O X O
On a noughts and crosses board, how many possible unique combinations are there given a square grid of length n? Assumptions/...

casi 2 años ago

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