# Saurabh Chaudhary

PhD, Student

**Statistics**

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**Content Feed**

Solved

Determine if x is a combination of m and n

Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...

20 days ago

Solved

Calculating Student Grades

The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...

20 days ago

Solved

Create an arrow matrix

An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

20 days ago

How to develop equation from the database ?

You can fit a curve using curve fitting toolbox (enter "cftool" in command window to open it) and obtain the equations and write...

1 month ago | 0

Solved

Dog Statistics

The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

3 months ago

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Generate this matrix

Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

3 months ago

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Simpson's Paradox - Calculate correlation coefficients for groups of data

Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

3 months ago

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Find the minimum of the column-maximums of a matrix

Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

4 months ago

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Calculate the mean of each half of a matrix

Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

4 months ago

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Find Closest Constant

Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

4 months ago

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Matrix Quadrants

Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

4 months ago

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Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

4 months ago

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Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

4 months ago

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Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

4 months ago

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Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

4 months ago

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Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

4 months ago

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

4 months ago

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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.

4 months ago

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Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

4 months ago

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Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4 months ago

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Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

4 months ago

HPC cluster with exceed on demand visualization tool

you can make the slurm file like this, and save the file xyx_slurm.sl and in order to run it enter sbatch xyz_slurm.sl in termin...

7 months ago | 0

Error installing MATLAB interface for ACADOtoolkit - Unknown file extension ''.

I also had the same issue, when i had saved the ACADO in oneDrive. Save it in another drive ( not one drive or gdrive) this will...

8 months ago | 0

Question

A new figure is coming out while plotting inside a for loop in App designer.

Trying to plot a 3D figure in the appdesiner but every time when is run the application it is opening a new figure window. I am ...

1 year ago | 1 answer | 0

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answerSolved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

1 year ago

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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]; ...

1 year ago

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Return the first and last characters of a character array

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

1 year ago

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Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

1 year ago

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Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

1 year 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...

1 year ago