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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

4 years ago

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Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

4 years ago

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Min of a Matrix
Return the minimum value in the given matrix.

4 years ago

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

4 years ago

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Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

4 years ago

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F.R.I.E.N.D.S

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Swap rows

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F.R.I.E.N.D.S

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Negative matrix
Change the sign of all elements in given matrix.

4 years ago

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

4 years ago

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Translate German decimals to English decimals
The string 'x = [2,5; 5,5; 4,3];' should return 'y = [2.5; 5.5; 4.3];'

4 years ago

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letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

4 years ago

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QWERTY Shift Code Decoder
Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...

4 years ago

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QWERTY Shift Encoder
Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. ...

4 years ago

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Word Distance - Sum
Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

4 years ago

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Data decompression
A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...

4 years ago

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Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

4 years ago

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Extract Built In Functions and Toolbox Functions from String or Function Handle
Find the Built-In functions and Toolbox functions in either a string or a function handle. Generate a string of alphabetized ...

4 years ago

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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 ...

4 years ago

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Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

4 years ago

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Symmetry of vector
Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

4 years ago

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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

4 years ago

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

4 years ago

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Square a Number
Given an input x, return y, which is equal to the square of x.

4 years ago

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Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

4 years ago

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Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

4 years ago

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Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

4 years ago

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Product of elements in row
Product of matrix such that a=[3 3 1] b=9

4 years ago

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Area of rhombus
Calculate the rhombus area

4 years ago