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**Content Feed**

How can I draw a fft transform?

I think your "actual" plot looks correct, honestly. It is roughly the same shape as the "desired" plot, and my guess is that zoo...

2 years ago | 0

Calculate the RMS Value of signal, Iam getting an error:

You are trying to use the MATLAB function mean(), but you have a variable of the same name, which it why it thinks bit1.^2 is an...

4 years ago | 0

| accepted

Find Min& Max Togather

As of 2017a (and for anyone else still stumbling across this question years later, which it looks like there's still a handful),...

4 years ago | 2

How can I make a table editable in app designer to use the resulting data matrix?

It seems you must first add "default" data (via something like the startupFcn for your UIFigure) before you can edit the data (s...

4 years ago | 2

how do I call a member function in another member function in the same class in matlab ??

There are two ways to call another method function from the same class. First, you can use a dot/period to access the method ...

5 years ago | 2

Solved

Alphabetize by last name

Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

6 years ago

Solved

Find the peak 3n+1 sequence value

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

6 years ago

Solved

Kaprekar Steps

6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

6 years ago

Solved

Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

6 years ago

Solved

Find the two-word state names

Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

6 years ago

Solved

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...

6 years ago

How to struct ?

It's not quite right, but you're on the right track. First, you should have |TagPrice = 1:200:7000|, according to the question. ...

6 years ago | 0

Solved

Word Counting and Indexing

You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

6 years ago

Solved

Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

6 years ago

Filling structure with variables from different files

You can do: alpha = 'a':'z'; cases = 8:12; for i = 1:length(cases) S.(alpha(i)) = load(['case' num2str(cases(i))],...

6 years ago | 0

Vectorization of For loops

Honestly, your slow code is due to the fact that you don't preallocate rloc1 or rloc. You will find that simply adding rloc1...

6 years ago | 0

how can i calculate summation over two limits and that too inside a for loop for different values of x & z to have a graph as shown in figure that varies with change in frequency ?

Okay, so there seem to be a lot of things going on (i.e. wrong) here, too much for someone else to solve for you. So a few point...

6 years ago | 0

Solve an equation with data from matrix

This looks like a job for the Quadratic Formula, my friend: % First, no need for a loop: vv = repmat(vt,[51 1]); % vv ends...

6 years ago | 0

Solved

The Goldbach Conjecture, Part 2

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

6 years ago

Solved

Target sorting

Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

6 years ago

Solved

Encode Roman Numerals

Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

6 years ago

Solved

Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

6 years ago

Solved

Find state names that end with the letter A

Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

6 years ago

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

6 years ago

Solved

Tic Tac Toe FTW

Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

6 years ago

Solved

Summing Digits within Text

Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

6 years ago

Solved

Scrabble Scores

Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

6 years ago

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Counting Sequence

Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

6 years ago

Solved

Maximum running product for a string of numbers

Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

6 years ago

Solved

Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

6 years ago