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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

5 years ago

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Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n

5 years ago

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You never ask a lady her age
Instead you ask her to multiply her age by 10, then subtract any of the first nine multiples of 9 (9,18,...,81), and tell you th...

5 years ago

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Add consecutive integer numbers
Given consecutive numbers, add the numbers *without using the sum command in MATLAB.*

5 years ago

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Eye Squared
For a positive integer |n| create the identity matrix with |n| elements. In case it is not possible to produce an identity ma...

5 years ago

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Find the largest number
Find the largest number |x| among 4 numbers given as variables |a|, |b|, |c|, and |d|. Example: Input: a = 4; b = 7; c ...

5 years ago

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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...

5 years ago

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Determine the perimeter of a three-quarter circle
If a circle has a diameter of x as an input value, then show the value of the perimeter of the three-quarter circle in output va...

5 years ago

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geometric progression
I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

5 years ago

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arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

5 years ago

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Namespace
Create a set of n variable names 'a_1',...,'a_n' The result should be a column oriented cell array of strings. Example inp...

5 years ago

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Determine if input is divisible by three.
Given a positive integer, n, determine if n is divisible by 3. If yes, the function should output true. If no, false.

5 years ago

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Basic commands - rounding
make a function which will round to integer, which is nearer to zero. Example x=[-2.5 2]; y=[-2 2];

5 years ago

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Find hen's weight.
If hen weights x kilos on two legs, how much does it weights on one leg? Output the result.

5 years ago

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Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

5 years ago

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square root
Find square root of given number

5 years ago

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cube of number
find cube of number

5 years ago

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square of a number
find square of a given number

5 years ago

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Adding Numbers
Add the input numbers to the original.

5 years ago

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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

5 years ago

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Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

5 years ago

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

5 years ago

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surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

5 years ago

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Repeat The Components of Matrix
Repeat The components of a matrix so that the size of the output matrix is double to input matrix and components are repeated ne...

5 years ago

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Angle difference between Hour Hand and Minute Hand of clock
*Calculate the difference of angles between Hour hand and Minute hand of clock* E.g. 1) At 12:00 Angle Difference = 0 deg...

5 years ago

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Convert a vector into numbers
Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

5 years ago

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Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

5 years ago

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

5 years ago

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Back to basics 12 - Input Arguments
Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

5 years ago

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Rotate it!
Given a set of points, your aim is to rotate it by a given angle "theta" CCW (in 2d). The points are given in a matrix(x) of dim...

5 years ago