Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x?
<<https://i.imgur.com/jlZDHhq.png>>
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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.
3年弱 前
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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.
3年弱 前
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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
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If you want to get a random permutation of integer...
3年弱 前
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Roll the Dice!
*Description*
Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice.
*Example*
[x1,x2] =...
3年弱 前
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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...
Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes.
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You may already know how to <http://www.mathworks....
3年弱 前
解決済み
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...