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Neeraj Rajpurohit


Last seen: 3年以上 前 |  2020 年からアクティブ

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

4年弱 前

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Cannot connect to mongoDB (version 4.2.6, authentification error)
Hi, This is a problem I encountered as well. The problem occurs becuae the database name is not being set in the mongo.m class....

4年弱 前 | 0

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Matrix Array Reshaping by fixed columns
Hi, I think reshape(arr, [], columnSize) would reshare the array with number of columns as coulmnSize in each row, which is 2...

4年弱 前 | 0

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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...

4年弱 前

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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 ...

4年弱 前

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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...

4年弱 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...

4年弱 前

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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...

4年弱 前

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How do I connect Matlab to MongoDB Atlas?
Hi, Jasmine's answer here would work in my opinion. However, for best experience, I would recommend you to go with the version ...

4年弱 前 | 0

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What is the variable 'self' in MATLAB class?
As Daniel has rightly written, obj is usually writtern instead of 'self' in definition of methods in MATLAB classes. If the fu...

4年弱 前 | 0

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

4年弱 前

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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...

4年弱 前

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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...

4年弱 前

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

4年弱 前

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

4年弱 前

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'Access-Control-Allow-Origin'
Hi, In my opinion this is because you are accessing the API from a file. You will need to apply different solutions to differen...

4年弱 前 | 0

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Run a loop on struct field
Hi, You can use the below mentioned command to get a string array of all the fields in a struct s. fields = string(fieldnames(...

4年弱 前 | 0

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Extract info from .json file by matlab
fileName = 'filename.json'; % filename in JSON extension fid = fopen(fileName); % Opening the file raw = fread(fid,inf); % R...

4年弱 前 | 6

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

4年弱 前

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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...

4年弱 前

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

4年弱 前

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

4年弱 前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

4年弱 前

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

4年弱 前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4年弱 前

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How can I POST JSON arguments (Request Payload) using MATLAB's webwrite?
The error code here is 415, which means unsupported media type. The server is not being able to identify the request type. I see...

4年弱 前 | 0