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Manvi Goel


Last seen: ongeveer 2 jaar ago |  Active since 2019

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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...

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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...

meer dan 5 jaar ago

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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 ...

meer dan 5 jaar ago

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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...

meer dan 5 jaar ago

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Please help. Error of index out of bounds
The following errors were there in your code: inappropriate spaces in for loops spaces between clear and the variable associat...

meer dan 5 jaar ago | 0

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Multiplying 2 Matrices A and B from Scratch (not built in function
Here you go function result = mult(a, b) [r1, c1] = size(a); [r2, c2] = size(b); if( c1 == r2) result...

meer dan 5 jaar ago | 2

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Display Complete output in Command Window
You can display the output of the matrix by using the disp command. % Let a be the matrix of dim 3200 * 3200 disp(a) % display...

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"not equal to" in MATLAB
You can use the ~ instead of ! for not in MATLAB

meer dan 5 jaar ago | 3

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How to eliminate certain columns from a matrix
Let the matrix be a. You can remove the odd columns of a matrix by : a(:,1:2:end) = [] % 1:2:end runs a loop from 1 till th...

meer dan 5 jaar ago | 1

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how can we perform 6x6 matrix without values to find the inverse and determination
You can calculate the inverse and determinant of a any n*n matrix using these inbuilt functions: det(x) inv(x)

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How can I generate a code for this equation?
You can use the following code for this a = [429.494, 93.112, -6.050]; N = 1024; temp = 0; lambda = zeros(1, N) for i = 1:N...

meer dan 5 jaar ago | 0

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Ascii to char conversion and vice versa
You can get the ascii values of a character by double('a') and character value to ascii by char(97)

meer dan 5 jaar ago | 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 ...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

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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...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar ago

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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 ...

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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...

meer dan 5 jaar 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...

meer dan 5 jaar ago

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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...

meer dan 5 jaar 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 + ...

meer dan 5 jaar ago

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How can I swap two columns of a matrix in MATLAB?
There is an easy way to extract a column of a matrix in MATLAB Suppose you have a matrix A: A = [1, 2, 3 ; 4, 5, 6] and you...

meer dan 5 jaar ago | 1

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Randomly initialise a matrix with numbers between 0 and 1?
You can initialise a random matrix with uniform distribution between 0 and 1 by the following: randomMatrix = rand(2,5)

meer dan 5 jaar ago | 0

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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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.

meer dan 5 jaar 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...

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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...

meer dan 5 jaar 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...

meer dan 5 jaar ago

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