John Pryce

Cardiff University

Last seen: 6 månader ago | Active since 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...

nästan 5 år ago | 1 answer | 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 ...

ungefär 6 år ago | 0 answers | 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:...

ungefär 7 år ago

Question

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...

mer än 7 år ago | 1 answer | 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 ...

mer än 8 år ago | 1 answer | 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...

mer än 10 år ago

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 ...

mer än 10 år ago | 1 answer | 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 ...

ungefär 13 år ago

Solved

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 ...

ungefär 13 år ago

Solved

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...

ungefär 13 år ago

Solved

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...

ungefär 13 år ago

Solved

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...

ungefär 13 år ago

Solved

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 ...

ungefär 13 år ago