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Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

9 years ago

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Logical operators: Flipping bits
The xor operator will toggle the bit if the bit is xored with 1. Ex: 1 XOR 0 = 1, 1 XOR 1 = 0. The xor operator will retain th...

9 years ago

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Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

9 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] ...

9 years ago

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kmph to mps
convert kilometer per hour to meter per second

9 years ago

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Add two numbers
Add two numbers (For beginners)

9 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...

9 years ago

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The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

9 years ago

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Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

9 years ago

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Logical operators and arrays: 3-input and truth table
Given 3 inputs (inputA, inputB, inputC), assign threeInputAnd with the truth table outcomes for a 3 variable logical-and operati...

9 years ago

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Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

9 years ago

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Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

9 years ago

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Multiple element-wise operations: Percent change
Row arrays sales2013 and sales2014 reflect the quarterly sales (in millions) of a popular potato chip company. Write a statement...

9 years ago

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03 - Matrix Variables 5
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3e.png>>

9 years ago

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02 - Vector Variables 4
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2d.png>> (Logarithmically spaced numbers between 1 and 1...

9 years ago

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Constructing strings
* Construct a string alphaString from 'a' to endLetter, using the double colon operator. Ex: If endLetter = 'e', then alphaSt...

9 years ago

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Back to basics 26 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

9 years ago

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Logical variables: Running late?
* Assign onTime with true if noTraffic is true and gasEmpty is false.

9 years ago

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

9 years ago

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02 - Vector Variables 5
_eVec_ = _Hello_ ( _eVec_ is a string, which is a vector of characters )

9 years ago

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Back to basics 25 - Valid variable names
Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

9 years ago

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02 - Vector Variables 3
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2c.png>> (all the numbers from 5 to -5 in increments of ...

9 years ago

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Indexing the array: Shift right with variable sized arrays
* Write a statement to shift the array contents 1 position to the left. * Assign the rightmost element with -1. Ex: [12, 85...

9 years ago

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03 - Matrix Variables 2
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3b.png>> A 9x9 matrix of zeros, but with the following v...

9 years ago

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03 - Matrix Variables 6
Make _fMat_ be a 5x3 matrix of random integers with values from -3 to 3 (Hint: use *randi*)

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02 - Vector Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2a.png>>

9 years ago

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Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

9 years ago

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Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

9 years ago

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Back to basics 5 - Clipboard
Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

9 years ago

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Nth root.
* Assign outValues with the nth root of the inValues, the root is specified by rootValue

9 years ago