# Neeraj Rajpurohit

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Solved

Determine if input is odd

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

bijna 2 jaar ago

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....

bijna 2 jaar ago | 0

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...

bijna 2 jaar ago | 0

Solved

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...

bijna 2 jaar ago

Solved

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 ...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

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 ...

bijna 2 jaar ago | 0

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...

bijna 2 jaar ago | 0

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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]; ...

bijna 2 jaar ago

'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...

bijna 2 jaar ago | 0

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(...

bijna 2 jaar ago | 0

| accepted

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...

bijna 2 jaar ago | 3

Solved

The Goldbach Conjecture

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

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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 ...

bijna 2 jaar ago

Solved

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...

bijna 2 jaar ago

Solved

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:...

bijna 2 jaar ago

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...

bijna 2 jaar ago | 0