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Alan


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42 2011 이후 총 참여 횟수

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답변 있음
Is there a function for argmax?
function y = argmax(x) [~,y] = max(x); end

3달 전 | 0

질문


Centos 7 Install: Help not working right
I have just installed MATLAB 2019a over Centos for the first time. Help is not working as I expect. When I type help, I get hel...

7달 전 | 답변 수: 1 | 0

1

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질문


arrayfun isreal fails - how to fix?
x = randn(8,1); z = fft(x); assert(isreal(z(1)),'First'); y = arrayfun(@isreal,z); assert(y(1),'Second'); In this snippet, ...

8달 전 | 답변 수: 2 | 2

2

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답변 있음
how to constrain tfest to give minimum phase zeros
init_sys = idtf([NaN NaN NaN],[1 NaN NaN NaN]); init_sys.Structure.num.Minimum = 0; init_sys.Structure.den.Minimum = 0; ...

약 4년 전 | 0

질문


how to constrain tfest to give minimum phase zeros
I am trying to apply the MATLAB ident toolbox function "tfest" to some data. It is returning a non-minimum phase zero, yet I get...

약 4년 전 | 답변 수: 1 | 0

1

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How to get good sys ids using n4sid
I have a test problem to try out the n4sid function in the System Identification Toolbox. I have simulated a simple SISO sec...

4년 이상 전 | 답변 수: 0 | 0

0

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Use a network license if it is available
I have worked out how to combine my Individual Standalone Named User license with a Network Concurrent User license from a serve...

5년 이하 전 | 답변 수: 0 | 0

0

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Combining standalone license with network license. Using offline.
I would like to use my standalone copy of MATLAB with some Toolboxes for which we have a network license. I installed MATLAB usi...

7년 이상 전 | 답변 수: 1 | 0

1

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질문


Fonts that work correctly
I have been playing around, in MATLAB 2012b, with setting the fonts in a Figure. I have done this both under OS X and Windows 7,...

7년 이상 전 | 답변 수: 2 | 0

2

답변

해결됨


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...

7년 이상 전

해결됨


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...

7년 이상 전

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

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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 + ...

7년 이상 전

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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...

7년 이상 전

해결됨


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7년 이상 전

해결됨


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...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

해결됨


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

7년 이상 전

해결됨


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...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

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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...

7년 이상 전

해결됨


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 ...

7년 이상 전

해결됨


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...

7년 이상 전

해결됨


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 ...

7년 이상 전

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