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Gurudatha Pai


University of Wyoming

Active since 2011

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http://uwstudents.uwyo.edu/gpai
Professional Interests: signal processing, system identification, power system stability studies

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Question


Why does Microsoft Outlook not like MATLAB's .MAT files?
Hello All, This is not a MATLAB question but I would really appreciate any comments. In my experience, outlook blocks .mat...

meer dan 11 jaar ago | 4 answers | 3

4

answers

Answered
How to plot common zero crossings of 3 different signals (3 sinusoidal signals)?
This may sub-optimal but definitely a start. I would find the zero crossings of each as a vector of 1's and 0's and add them. Th...

bijna 12 jaar ago | 0

| accepted

Question


Matlab's Strange Behavior
>> fprintf('%4d, %1.6f, %1.6f\n',1, 1.1, 1.2) 1, 1.100000, 1.200000 >> disp(fprintf('%4d, %1.6f, %1.6f\n',1, 1.1, 1.2)...

bijna 12 jaar ago | 1 answer | 0

1

answer

Solved


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

ongeveer 12 jaar ago

Solved


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

ongeveer 12 jaar ago

Solved


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.

ongeveer 12 jaar ago

Solved


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

ongeveer 12 jaar ago

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

ongeveer 12 jaar ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ongeveer 12 jaar ago

Answered
How to determine the order of ARMA and AR coefficient ?
Model order selection is often a tricky business. Inspecting the Hankel singular values is one many methods. There are many such...

ongeveer 12 jaar ago | 0

Question


Is there a faster way to implement a FIFO (queue) ?
Hi, I was wondering if somebody could comment on my use of array indexing. I have a recursive function which uses some initial c...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


Help understanding an error
Hello all, I am in a simple situation with an error that doesn't tell you a whole lot. I have a plot that I want to save as a...

bijna 13 jaar ago | 2 answers | 0

2

answers

Solved


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

bijna 13 jaar ago

Solved


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

bijna 13 jaar ago

Solved


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

bijna 13 jaar ago

Solved


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

bijna 13 jaar ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

bijna 13 jaar 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...

bijna 13 jaar ago

Solved


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

bijna 13 jaar 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...

bijna 13 jaar ago

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 13 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. Example...

bijna 13 jaar ago

Solved


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

bijna 13 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 13 jaar ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

bijna 13 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 13 jaar ago

Solved


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

bijna 13 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 13 jaar ago

Question


What are the rules for naming script files?
Hello, This is perhaps one of those "I-know-the-answer-still-I-ask" questions. Today, I had a strange error in one of my scri...

bijna 13 jaar ago | 2 answers | 1

2

answers

Answered
[DEPRECATED] What frustrates you about MATLAB?
I dont know if somebody has posted this already but I would like to mention that the auto-fill feature frustrates me a lot. I ca...

bijna 13 jaar ago | 0

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