Gurudatha Pai
University of Wyoming
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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...
plus de 12 ans il y a | 4 réponses | 3
4
réponsesHow 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...
plus de 12 ans il y a | 0
| A accepté
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)...
plus de 12 ans il y a | 1 réponse | 0
1
réponseA résolu
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...
environ 13 ans il y a
A résolu
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...
environ 13 ans il y a
A résolu
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.
environ 13 ans il y a
A résolu
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 ...
environ 13 ans il y a
A résolu
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...
environ 13 ans il y a
A résolu
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...
environ 13 ans il y a
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...
environ 13 ans il y a | 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...
environ 13 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
presque 14 ans il y a | 2 réponses | 0
2
réponsesA résolu
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".
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
A résolu
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 + ...
presque 14 ans il y a
A résolu
Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
A résolu
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
presque 14 ans il y a
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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...
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
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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...
presque 14 ans il y a
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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...
presque 14 ans il y a
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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...
presque 14 ans il y a
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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...
presque 14 ans il y a
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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...
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
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...
presque 14 ans il y a | 2 réponses | 1
2
réponses[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...
presque 14 ans il y a | 0
