Dan Klemfuss

Last seen: 4年弱前 | 2017 年からアクティブ

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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

4年弱前

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Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

4年弱前

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length of a vector
Find twice the length of a given vector.

4年弱前

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If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

4年弱前

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Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

4年弱前

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Box!
Given a box, find the volume of the cube. With each side = a.

4年弱前

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Variable_Addition
be able to add any variable to the number one

4年弱前

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y equals x divided by 2
function y = x/2

4年弱前

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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

4年弱前

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Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

4年弱前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

6年弱前

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Using sprintf function?
Good evening Reyadh. I believe the issue that you're having with sprintf is that it needs to be formatted as a string. You curre...

約6年前 | 0

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how can I separate the rows of text file?
Hello Jungbae. This isn't the most elegant solution, but it'll do the trick if you just need to repeat this task. Just replace t...

6年以上前 | 0

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

6年以上前

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CONVERT TAN TO SIN
In a right angle triangle ABC given the tan(A) then find sin(A) For example tan(A)=3/4 then sin(A)=3/5

6年以上前

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07 - Common functions and indexing 4
Define the matrix _cMat_: <<http://samle.dk/STTBDP/Assignment1_3c.png>> ( _cMat_ = 10x10 matrix where the numbers from 1 t...

6年以上前

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

6年以上前

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

6年以上前

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

6年以上前

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07 - Common functions and indexing 5
Create the vector _lin_: <<http://samle.dk/STTBDP/Assignment1_7e.png>> (the integers from 1 to 20) Make every other val...

6年以上前

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

6年以上前

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Area of a circle
Find the value for area of the circle if diameter is given

6年以上前

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

6年以上前

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

6年以上前

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

6年以上前

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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...

6年以上前

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"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

6年以上前

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Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

6年以上前

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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

6年以上前

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

6年以上前

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Dan Klemfuss

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CUP Challenge Master

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Knowledgeable Level 1

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