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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...

9年以上前

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Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

9年以上前

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make histogram
You probably know the function hist(x,n) to get the histogram. Now try to write the function yourself! For the cheaters wanti...

9年以上前

問題

make histogram
You probably know the function hist(x,n) to get the histogram. Now try to write the function yourself! For the cheaters wanti...

9年以上前 | 0 | 20 個のソルバー

問題

Connect 4 (the boardgame)
You are playing the popular game "Connect 4" ( <https://en.wikipedia.org/wiki/Connect_Four>) against Matlab. Luckily, Matlab isn...

9年以上前 | 5 | 16 個のソルバー

問題

Bubble sort
Write your own bubble sort function ( <https://en.wikipedia.org/wiki/Bubble_sort>) to sort all elements in x in ascending order....

9年以上前 | 0 | 39 個のソルバー

問題

i forgot to use capital I
When referring to yourself you should write "I" (capital) and not "i". So correct the input string x, but be aware that other u...

9年以上前 | 0 | 62 個のソルバー

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Mastermind
We are playing the boardgame mastermind <https://en.wikipedia.org/wiki/Mastermind_(board_game)>. The game master has created a 4...

9年以上前

問題

Mastermind
We are playing the boardgame mastermind <https://en.wikipedia.org/wiki/Mastermind_(board_game)>. The game master has created a 4...

9年以上前 | 3 | 15 個のソルバー

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

9年以上前

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Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

9年以上前

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Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

9年以上前

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

9年以上前

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Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

9年以上前

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

9年以上前

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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

9年以上前

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Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

9年以上前

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Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

9年以上前

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

9年以上前

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Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

9年以上前

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How can I fit a circle to a region of pixels?
I'm not familiar with this toolbox. But have you tried simply scanning all point? you could do something like this: % creat...

9年以上前 | 0

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obtaining spectrogram in hertz
Hi, you should pass the sample frequency as well. spectrogram(rand(1000,1),windowsize,overlap,windowsize,fs) (The second ...

9年以上前 | 1

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Doing a fft on a audio file
Hi, you should have a look at the function "spectrogram" ( <https://nl.mathworks.com/help/signal/ref/spectrogram.html> ), whi...

9年以上前 | 0

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

9年以上前

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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

9年以上前

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Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

9年以上前

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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 ...

9年以上前

問題

All odd - all even
All odd numbers in x are added, while all even numers are subtracted from this. example: x = [1 2 3 4 5]; y = +(1+3+5)-...

9年以上前 | 0 | 73 個のソルバー

問題

Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

9年以上前 | 0 | 66 個のソルバー

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Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

9年以上前