Solved

Rotate Matrix Clockwise (45 Degree)
*Matrix (3x3 only) rotation clockwise*: 2 inputs: *x* matrix and *n* times. output: *y* matrix with *n x 45* degree ro...

5 years ago

Solved

Iccanobif numbers 1
There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...

5 years ago

Solved

What digit is it?
The function you are being asked to write will take three numbers (n,x,q) as input. The object of the function is to determine ...

5 years ago

Solved

Reverse Concatenation
Suggest methods to form a Matrix after deleting one of the input's elements. Input should be element's position and output shou...

5 years ago

Solved

Cipher and Decipher the message - 3 key

5 years ago

Solved

Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

5 years ago

Solved

Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

5 years ago

Solved

Fault in our Stars - 02
Create a window pattern with h-horizontal bars and v-vertical bars. For example, for h=4,v=4 '**********' '* ...

5 years ago

Solved

Make a logical diamond using GALLERY function
Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/1078-make-a-diamond Problem 1078. Make a diamond> In thi...

5 years ago

Solved

linear least squares fitting
Inputs: * |f|: cell-array of function handles * |x|: column vector of |x| values * |y|: column vector of |y| values, same l...

5 years ago

Solved

Tax Season ! How much is my salary?
Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

5 years ago

Solved

Decipher the number 3 - 10 keys

5 years ago

Solved

Rule of mixtures (composites) - upper bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

5 years ago

Solved

Rule of mixtures (composites) - lower bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

5 years ago

Solved

Percentage profit:3
x% product is sold at r1% profit. However, our target overall profit is rt%. What is the required percentage profit to meet the ...

5 years ago

Solved

Determine the area of square if length of the diagonal is given

5 years ago

Solved

Given perimeter of a circle(P) and radius(r) find out what is the area of circle.

5 years ago

Solved

Percentage profit:4
If a shopkeeper is selling W gram of salt in 1 dollar he will face r% loss. How much salt he should sell in grams to make r% pro...

5 years ago

Solved

Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

5 years ago

Solved

Recursive Standard Deviation
When you have a large set of data, it can be resource consuming to calculate standard deviation at every step. So why not calcul...

5 years ago

Solved

Slicing the cube
A bored matlab enthusiast has a cube with volume n^3. He decides to paint the entire surface of the cube red. Then, with slices...

5 years ago

Solved

Grid traversal
Given a line defined by (x1,y1) & (x2,y2),return the number of squares that the line crosses on the grid (a square is 1x1). ...

5 years ago

Solved

Frugal number
check whether n is a frugal number * a frugal number is a natural number in a given number base that has more digits than the...

5 years ago

Solved

lucky
check whether n is a lucky number <https://oeis.org/A000959>

5 years ago

Solved

feeling VERY lucky?
Just like Matthew's problem <http://www.mathworks.com/matlabcentral/cody/problems/2793 2793> and Edward's problem <http://www.ma...

5 years ago

Solved

i was a mistake

5 years ago

Solved

ZigZag - 03
Given a matrix of any size, print its elements from the zigzag form of the matrix. For example, a=[1 2 3; 4 5 6; ...

5 years ago

Solved

ZigZag - 05
Given a matrix, print all its elements in the alpha form. For example - a=[16 2 3 13 5 11 10 8 ...

5 years ago

Solved

Recursion - Fun
Generate the first k terms in the sequence a(n) define recursively by a(n+1)=p*a(n)+(1+a(n)) with p=0.9 and a(1)=0.5 ...

5 years ago

Solved

Three grind is shipsstraigt
A function that returns either 'Rock', 'Scissors', or 'Paper' (string). You may succeed or you may fail the (case insensitive) t...

5 years ago