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Neeraj Rajpurohit


Last seen: alrededor de 4 años hace |  Con actividad desde 2020

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Estadística

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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.

más de 4 años hace

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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....

más de 4 años hace | 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...

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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...

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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 ...

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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...

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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...

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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...

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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 ...

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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...

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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...

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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...

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

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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]; ...

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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...

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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(...

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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...

más de 4 años hace | 7

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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 ...

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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...

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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...

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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...

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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 ...

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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...

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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:...

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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...

más de 4 años hace | 0