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Jigar Gada


University of Southern California

Active since 2011

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Professional Interests: Signal Processing, Image and Speech Processing, Linear Algebra, Machine Learning

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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...

6 years 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 ...

6 years ago

Question


How do I create an interactive connected graph in MATLAB GUI
I want to create a connected graph in Matlab GUI. All the nodes of the graph are buttons which changes its color when clicked. A...

9 years ago | 1 answer | 0

1

answer

Submitted


Machine_learning_PRTools.zip
A systematic way of using the functions of PR Tools has been created.

10 years ago | 4 downloads |

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Answered
How can I rotate a set of points in a plane by a certain angle about an arbitrary point?
Best is to deal this task with Linear Algebra. Let the specified point(around which the rotation has be done) be w = (x1,y1)....

11 years ago | 2

Submitted


Minimum Phase filter
Minimum phase filter by shifting zeros inside unit circle.

11 years ago | 2 downloads |

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...

11 years ago

Solved


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...

11 years 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...

11 years ago

Solved


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

11 years 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...

11 years ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

11 years ago

Submitted


Two point boundary condition
This file helps to find and plot the solution to a two point boundary problem.

11 years ago | 1 download |

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...

12 years 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...

12 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

12 years ago

Solved


Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

12 years 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 ...

12 years 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...

12 years 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...

12 years ago

Solved


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

12 years ago

Solved


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

12 years 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]; and ...

12 years 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...

12 years 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:...

12 years ago

Answered
what is the best size of input data for neural network?
What kind of network are you using. If you re using back propagation network, then 1. Back propogation gives good results onl...

12 years ago | 0

Answered
how to round the decimal point?
Thanks a lot.. It was so simple.

12 years ago | 0

Question


Feature classification
I am working on Face recognition and have generated the features using PCA and then LDA. While the features are given as input t...

12 years ago | 0 answers | 0

0

answers

Question


PCA LDA
Hello, I am doin a project on face detection+recognition. Face detection part is working properly. I hav done face recognition ...

12 years ago | 1 answer | 0

1

answer

Question


Eigen faces
I am working on face detection and recognition. My face detection algo using viola-jones is working perfectly. However face reco...

12 years ago | 0 answers | 0

0

answers

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