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# goc3

##### Last seen: 5 days ago
2,889 total contributions since 2014

Materials Scientist / Metallurgist / Mechanical Engineer

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Draw a '9' in a zero matrix!

1 month ago

Solved

Draw a '8' in a zero matrix!

1 month ago

Solved

Draw a '7' in a zero matrix!

1 month ago

Solved

Draw a '6' in a zero matrix!

1 month ago

Solved

Draw a '5' in a zero matrix!

1 month ago

Solved

Draw a '4' in a zero matrix!

1 month ago

Solved

Draw a '3' in a zero matrix!

1 month ago

Solved

Draw a '2' in a zero matrix!

1 month ago

Solved

Draw a '1' in a zero matrix!

1 month ago

Solved

Most Frequent Word - 01
Given a document file or a character array, find out the most frequent word in that document. In the case of multiple words -...

1 month ago

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...

6 months ago | 2

| accepted

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...

1 year 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...

1 year ago | 7

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...

1 year 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: - ...

1 year ago

Solved

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

1 year 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...

1 year 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 ...

1 year 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] ...

2 years 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 = ...

2 years 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...

2 years 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.

2 years 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...

2 years 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...

2 years 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...

2 years 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 ...

2 years 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]

2 years 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...

2 years ago