Community Profile

photo

Prateek Rai


Last seen: 約1ヶ月 前

MathWorks

36 2020 年以降の合計貢献数

My main responsibilities are to working with customers to help solve their problems and developing new MATLAB Features.
My area of interest are image processing and computer vision.

DISCLAIMER: Any Advice or opinions here are my own, and in no way reflect that of Mathworks.

Prateek Rai's バッジ

  • Revival Level 2
  • Knowledgeable Level 1
  • First Answer
  • Solver

詳細を表示...

貢献した分野
表示方法

回答済み
How can I solve an equation that is logical?
As per my understanding, you are trying to solve the equation sin(x)==1 and and having issue with variable "eqn" You can try t...

約2ヶ月 前 | 0

回答済み
How to remove points of a specific color from a point cloud? (Comp Vis Toolbox)
As per my understanding, you are having a point cloud and you want to identify points with point.Color as NaNs and remove them f...

約2ヶ月 前 | 0

回答済み
How to make Nyquist Plot using data stored in matrices?
As per my understanding, you are trying to make a nyquist plot from frequency response data. You can create a transfer functi...

約2ヶ月 前 | 0

回答済み
How to convert an array of cells into an array of structures?
As per my understanding you are trying to convert an array of cells into an array of structures but "cell2struct" is throwing an...

約2ヶ月 前 | 0

| 採用済み

回答済み
How can one write out the set of possible values of a variable?
As per my understanding, you are having a table from which you want to write out all the values that a variable takes. You ca...

約2ヶ月 前 | 0

回答済み
how to load multiple .dicom files in matlab?
As per my understanding, you are able to construct a classification code for operating on images but not able to operate with di...

約2ヶ月 前 | 0

回答済み
Installation error while unzipping, runtime error 5
There are few reasons related to “runtime error 5 “ while unzipping. You can refer the following MATLAB Answer, that provides d...

約2ヶ月 前 | 0

解決済み


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, ....

約2ヶ月 前

解決済み


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

約2ヶ月 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...

約2ヶ月 前

解決済み


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

約2ヶ月 前

解決済み


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...

約2ヶ月 前

解決済み


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...

約2ヶ月 前

解決済み


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...

約2ヶ月 前

解決済み


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 + ...

約2ヶ月 前

解決済み


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 ...

約2ヶ月 前

解決済み


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

約2ヶ月 前

解決済み


Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

約2ヶ月 前

解決済み


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

約2ヶ月 前

解決済み


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 ...

約2ヶ月 前

解決済み


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

約2ヶ月 前

解決済み


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...

約2ヶ月 前

解決済み


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

約2ヶ月 前

解決済み


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

約2ヶ月 前

解決済み


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

約2ヶ月 前

解決済み


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...

約2ヶ月 前

解決済み


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

約2ヶ月 前

解決済み


Add two numbers
Given a and b, return the sum a+b in c.

約2ヶ月 前

解決済み


Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

約2ヶ月 前

解決済み


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

約2ヶ月 前

Load more