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John Pryce


Cardiff University

Last seen: 24 days 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...

4 years ago | 1 answer | 0

1

answer

Question


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

5 years ago | 0 answers | 0

0

answers

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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:...

6 years 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...

6 years ago | 1 answer | 0

1

answer

Question


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 ...

7 years ago | 1 answer | 0

1

answer

Solved


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...

9 years 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 ...

9 years ago | 1 answer | 0

1

answer

Solved


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 ...

12 years 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 ...

12 years 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...

12 years 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...

12 years 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...

12 years 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 ...

12 years ago