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Summation of array
Given an array, Find the sum of all of the elements in it Examples: Input x = [1 2 3 5; 4 5 6 7]; Output y is 33

5 years ago

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

5 years ago

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find the 'M'
for an input x, return 1 at the location of the letter 'M'

5 years ago

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determine if
determine if the elements of a matrix is a nan and return true

5 years ago

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

5 years ago

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wipe out!
make all the elements in given x zero.

5 years ago

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Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

5 years ago

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Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

5 years ago

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Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if x = [1 3 4 5 8 11]; then return y = [NaN Na...

5 years ago

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

5 years ago

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row removal
Remove the nth row from input matrix M and return the resulting matrix in output N.

5 years ago

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

5 years ago

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Check to see if a Sudoku Puzzle is Solved
*Description:* Your task, should you choose to accept it, is to make a function that checks to see if a 9x9 matrix of integer...

5 years ago

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

5 years ago

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Find nearest prime number less than input number
Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

5 years ago

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vectors counting by 5
Create a vector with numbers from x_min to x_max in increments of 5.

5 years ago

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intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

5 years ago

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imaginary results
Return the value of the imaginary number i to the power of input argument n.

5 years ago

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Given a matrix, return the last eigen value
Given a matrix, return the first eigen value For example: x = magic(5) 17 24 1 8 15 23 5 7 14 ...

5 years ago

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Interior angles
Find the sum of interior angles for polygon of x sides.

5 years ago

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

5 years ago

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Matlab Basics - Logical Tests I
Write a script to test whether a year number is for a leap year or not. eg. x = 1884 output = 1 eg. x = 3 output = 0

5 years ago

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ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

5 years ago

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Kelvin to Celsius
Degrees Celsius = degrees Kelvin - 273.15. Given a temperature in Kelvin, return the equivalent temperature in Celsius.

5 years ago

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Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

5 years ago

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find the answer

5 years ago

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Area of a triangle given its sides

5 years ago

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Rotate matrix by -90 degrees
Rotate a Matrix by -90 degrees Example: X = 1 2 3 4 5 6 7 8 9 output = 7 4 ...

5 years ago

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NaN

5 years ago

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

5 years ago