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# Derrick Le

Last seen: 2ヶ月 前 2022 以来アクティブ

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reverse string
input='rama' output='amar'

2ヶ月 前

Wind Chill Computation
On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

2ヶ月 前

Multiply pi
Multiply pi with x!

2ヶ月 前

Divide pi
Divide pi by x!

2ヶ月 前

Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

2ヶ月 前

print 'Hello W0rld'

2ヶ月 前

Do you like your boss? Answer can be any string! For example: Boss = 'Do you like your boss?'; Output = 'yes' or ...

2ヶ月 前

Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

2ヶ月 前

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...

2ヶ月 前

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

2ヶ月 前

Max of a Vector
Write a function to return the max of a vector

2ヶ月 前

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

2ヶ月 前

Kinetic Energy
Given the mass m and velocity v of an object, determine its <http://en.wikipedia.org/wiki/Kinetic_energy kinetic energy>.

2ヶ月 前

Negative Infinity
Round the given array a towards negative infinity.

2ヶ月 前

Positive Infinity
Round the array a towards positive infinity

2ヶ月 前

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

2ヶ月 前

MATLAB Basic: rounding IV

2ヶ月 前

Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

2ヶ月 前

Simple Math
What is 2+2? Answer with character string

2ヶ月 前

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

2ヶ月 前

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

2ヶ月 前

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

2ヶ月 前

Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

2ヶ月 前

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

2ヶ月 前

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

2ヶ月 前

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

2ヶ月 前

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

2ヶ月 前

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

2ヶ月 前

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

2ヶ月 前

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

2ヶ月 前