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# Priysha Aggarwal

40 total contributions since 2019

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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, ...

10 meses ago

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

10 meses ago

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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 ...

10 meses ago

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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...

10 meses ago

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

10 meses ago

automatize try catch for figures
What you can do is to embed your try catch statemets in a for/while loop. Try loading each figure in the loop one by one, each ...

10 meses ago | 0

the state representation of the dynamic system
Error is in line 8 x = A*x + B*U To be able to multiply A with x, you need to predefine x. You cannot initiate a variable x wi...

10 meses ago | 0

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How can I find depth of an object on a table using Kinect V2 sensor?
You can easily find depth of an object using concept of Stereo Depth Estimation. Another pdf with a nice explanation of the con...

10 meses ago | 0

If you want to multiply each element of I matrix with some constant, you can directly do: a = [ 1 2 3 4] b = 2*a % b = [2 4 ...

10 meses ago | 0

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Input content of vector into 2nd dimension of 2-D array
Example : Let 'A' of dimension (1,5) is the input 1D array. A = [1 2 3 4 5] If you want your output 2D matrix 'B' to be of dim...

10 meses ago | 0

MATRIX REPRESENTATION OF COLOUR IMAGES
Images can be represented as both 2D and 3D matrices. When the image is grayscale (i.e. black and white) then we need only 2 cha...

10 meses ago | 0

Running C code from Matlab
To run a function from a C file in MATLAB, you have to create a MEX file. Edit your C code as per the following: https://www.ma...

10 meses ago | 0

Sorting through labelled data
If you can skip using the above given for loop, you can store the above strings in a string array as : A = ["0","Negative"; ...

10 meses ago | 1

Does Deep learning based analysis require image registration?

10 meses ago | 0

I want to new vector with zero mean
You can try x = y-mean(y). However, the above solution wont work if you have a negative mean(y). x=y-mean(y) will increase the...

10 meses ago | 0

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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...

11 meses ago

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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

11 meses ago

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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...

11 meses ago

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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 ...

11 meses ago

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Return the 3n+1 sequence for n
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...

11 meses ago

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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 + ...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago

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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...

11 meses ago