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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.
대략 13년 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...
대략 13년 전
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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...
대략 13년 전
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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...
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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...
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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...
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
대략 13년 전
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Logical Indexing – Multiple Conditions
I've talked about logical indexing before in some of the linked posts, but recent work makes me want to show it off again. ...
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Introduction to Functional Programming with Anonymous Functions, Part 3
Tucker McClure is an Application Engineer with The MathWorks. He spends his time helping our customers accelerate their work...
대략 13년 전
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Introduction to Functional Programming with Anonymous Functions, Part 2
Tucker McClure is an Application Engineer with The MathWorks. He spends his time helping our customers accelerate their work...
13년 초과 전
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Introduction to Functional Programming with Anonymous Functions, Part 1
Tucker McClure is an Application Engineer with The MathWorks. He spends his time helping our customers accelerate their work...
13년 초과 전
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End of Year Suggestion: Steve on Counting
I just read the latest post on Steve Eddins image processing blog. I recommend you read it too. It discusses how to count...
13년 초과 전
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Measuring GPU Performance
Today I welcome back guest blogger Ben Tordoff who previously wrote here on how to generate a fractal on a GPU. He is going...
13년 초과 전
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Understanding Array Preallocation
Today I would like to introduce guest blogger Jeremy Greenwald who works in the Development group here at MathWorks. Jeremy...
13년 초과 전
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Partitioning a Vector
Recently on the MATLAB newsgroup, there was a thread asking how to split up a vector into pieces which were each...
13년 초과 전
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Problem when assigning vectors
First, Mike, there is no reason to preallocate the vector b with zeros since you overwrite the variable in the next statement. ...
Problem when assigning vectors
First, Mike, there is no reason to preallocate the vector b with zeros since you overwrite the variable in the next statement. ...
13년 초과 전 | 1
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MathWorks Certification
Today I would like to introduce guest blogger John Kotwicki, who works in the Training Services group here at MathWorks. ...
13년 초과 전
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Learning to Love Regular Expressions
Today I’d like to introduce guest blogger Sarah Wait Zaranek who works for the MATLAB Marketing team here at MathWorks....
13년 초과 전
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When is a Number Perfect?
Answer: When the sum of all divisors of a positive integer, except the number itself, equals the number. Here's a reference...
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The MATLAB R2012b Desktop – Part 3: MATLAB Apps
Today, David Garrison, our guest blogger, will complete his series on the R2012b Desktop.... read more >>
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The MATLAB R2012b Desktop – Part 2: Customizing the R2012b MATLAB Desktop
Today, David Garrison, our guest blogger, will continue his series on the R2012b Desktop.... read more >>
13년 초과 전
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The MATLAB R2012b Desktop – Part 1: Introduction to the Toolstrip
Today I’d like to introduce a guest blogger, David Garrison, who is a MATLAB Product Manager here at MathWorks. Over the...
13년 초과 전
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Thoughts about Anonymous Functions
One of the reasons I like using anonymous functions is because they allow me to express whatever function I want to use as a...
13년 초과 전
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Using Symbolic Equations And Symbolic Functions In MATLAB
I am pleased to introduce guest blogger Kai Gehrs. Kai is a developer for the Symbolic Math Toolbox.... read more >>
거의 14년 전
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Who, what, why, but not this
Dave Foti, who manages development of object oriented programming features in the MATLAB language, is back with a discussion...
거의 14년 전
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Web Treats
I have had occasion to visit MathWorks website recently and discovered a couple of interesting pages.... read more >>
거의 14년 전
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What’s “if” “all” about?
I recently posted about a GOTCHA with the expression a < x < b in MATLAB and Matt's comments made me look to see if I...
거의 14년 전
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Benford’s Law – What are the odds that the first digit is a ‘1’?
I'd like to introduce this week's guest blogger Sam Mirsky. Sam is an Application Engineer here at MathWorks...
거의 14년 전
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Why is Answer to 3 < A < 7 Unexpected?
There have been countless (not really!) times on the MATLAB newsgroup where a question of the sort written in...
거의 14년 전