Gurudatha Pai

University of Wyoming

Aktiv seit 2011

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

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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...

mehr als 12 Jahre vor | 4 Antworten | 3

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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...

mehr als 12 Jahre vor | 0

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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)...

mehr als 12 Jahre vor | 1 Antwort | 0

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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...

etwa 13 Jahre vor

Gelöst

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...

etwa 13 Jahre vor

Gelöst

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.

etwa 13 Jahre vor

Gelöst

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 ...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

Beantwortet
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...

etwa 13 Jahre vor | 0

Frage

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...

etwa 13 Jahre vor | 1 Antwort | 0

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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...

fast 14 Jahre vor | 2 Antworten | 0

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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".

fast 14 Jahre vor

Gelöst

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...

fast 14 Jahre vor

Gelöst

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 + ...

fast 14 Jahre vor

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

fast 14 Jahre vor

Gelöst

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...

fast 14 Jahre vor

Gelöst

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

fast 14 Jahre vor

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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...

fast 14 Jahre vor

Gelöst

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...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

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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. Example...

fast 14 Jahre vor

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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...

fast 14 Jahre vor

Gelöst

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...

fast 14 Jahre vor

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

fast 14 Jahre vor

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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...

fast 14 Jahre vor

Gelöst

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

fast 14 Jahre vor

Gelöst

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...

fast 14 Jahre vor

Frage

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...

fast 14 Jahre vor | 2 Antworten | 1

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Beantwortet
[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...

fast 14 Jahre vor | 0

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