John Pryce

Cardiff University

Last seen: 8 mois il y a | Actif depuis 2012

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Classifying things into kinds
Increasingly often I want to do the following, so I want a simple vectorised way to do it - no "for" loops. I have n things. Ea...

environ 5 ans il y a | 1 réponse | 0

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"set-theory" class
Has anyone implemented a class that implements sets, as in set theory, more neatly than MATLAB does at present? Set operations ...

plus de 6 ans il y a | 1 réponse | 0

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

environ 7 ans il y a

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Point me to documentation of ReadYaml()
I am reading YAML files, and have been given some code that does this by calling data = yaml.ReadYaml('somefile'); It wo...

plus de 7 ans il y a | 1 réponse | 0

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How do I delete all annotations on a figure but not do clf?
How do I delete all annotations on a Figure? I do not want to do "clf" since that loses attributes that I want to keep. Doing ...

plus de 8 ans il y a | 1 réponse | 0

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Get the array of sum for three consecutive numbers in an array
Get the array of sum, for three consecutive numbers in an array. if Input 'x' does not have at-least 3 elements then 'y' shou...

plus de 10 ans il y a

Question

Problems with making graphics figures to include in documents
My need: Matlab to create figures for including in articles I'm writing. I use LaTeX with PdfTeX. So I prefer Matlab to convert ...

plus de 10 ans il y a | 1 réponse | 0

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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 ...

environ 13 ans il y a

A résolu

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 ...

environ 13 ans il y a

A résolu

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...

environ 13 ans il y a

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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...

environ 13 ans il y a

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

environ 13 ans il y a

A résolu

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

environ 13 ans il y a