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How many hours are there in a day in Italy?
Remember "European Summer Time"

3 months ago

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Calculate the answer to life the universe and everything
<https://en.wikipedia.org/wiki/42_(number)>

3 months ago

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Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

3 months ago

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Negative without '-'
Simple: return a negative number without using the '-' sign. Thanks to Problem <https://www.mathworks.com/matlabcentral/cody/...

3 months ago

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

3 months ago

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Compute LOG(1+X) in natural log
Compute LOG(1+X) in natural log

3 months ago

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Calculate sin(x) without sin(x)
Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)

3 months ago

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Calculate cosine without cos(x)
Solve cos(x). The use of the function cos() and sin() is not allowed.

3 months ago

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calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

3 months ago

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Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

3 months ago

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sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

3 months ago

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Matrix Max Finder
Output the maximum value in a matrix

3 months ago

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true or false
if the matrix has a zero, return true. else, return false

3 months ago

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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

3 months ago

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Remove white space from the string
Remove the white spaces (trailing and leading) from the input variable

3 months ago

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Back to basics 3 - Temp Directory
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the path to the system's current temp di...

3 months ago

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Vector with a repeated entry
Create a row vector of length n, filled with 4's. For example, if n = 3, output = [4 4 4]

3 months ago

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If you have matrix A, create matrix B using matrix A as an "element"
A = [1 2 3 4; 5 6 7 8] B = [1 2 3 4 1 2 3 4; 5 6 ...

3 months ago

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ASCII Code
Using matlab, give the symbol that is associated with ASCii code 90.

3 months ago

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Corresponding ASCII code.
Given the number, the output will show the corresponding ASCII code.

3 months ago

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ASCII code of a leter.
Given the letter, the output will show the corresponding ASCII code.

3 months ago

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Annual Salary
What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

3 months ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

3 months ago

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Remove All elements less than 5
Given an input vector x, remove all elements of x less than 5 . Example: Input x = [ 1 2 5 7 3 ] Output y is [ 5 7 ...

3 months ago

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

3 months ago

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Matlab Basics - Assigning Variables
Assign different types of data to variables: integer, double, and strings Example: A is a double, for example 2.34 B is a...

3 months ago

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Matlab Basics II - Operations and Matrix Dimensions
Write a function that takes two inputs, a & b, and outputs the sum and product of the two matrices. The matrices have OPPOSITE d...

3 months ago

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Matlab Basics II - Velocity of a particle
A particle is moving in space, such that it's velocity is given by: <<http://s30.postimg.org/5rf1xtvj5/cody1.png>> write a...

3 months ago

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Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

3 months ago

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Sum of diagonals elements of a matrix
Given a matrix, return the sum of all the elements across the diagonals. E.g. A = [1 2 3; 4 5 6; 7 8 9;...

3 months ago