Peter Corke
Queensland University of Technology
42 total contributions since 2013Professional Interests: robotics, computer vision
Peter Corke's Badges
Comment on a problem or solution
Awarded to Peter Corke on 07 Jun 2018
Contribute at least one answer each month for 3 consecutive months
Awarded to Peter Corke on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to Peter Corke on 20 Jul 2017
1 of your answers has been accepted
Awarded to Peter Corke on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Peter Corke on 20 Jul 2017
Solve a problem for the first time
Awarded to Peter Corke on 29 Apr 2013
Solved
middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...
15 days ago
Solved
"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...
15 days ago
Solved
First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...
15 days ago
Solved
Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
15 days ago
Solved
Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...
15 days ago
Solved
Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...
15 days ago
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Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...
15 days ago
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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...
15 days ago
Solved
Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...
15 days ago
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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...
15 days ago
Solved
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
15 days ago
Solved
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
15 days ago
Solved
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...
15 days ago
Solved
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...
15 days ago
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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
15 days ago
Solved
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
15 days ago
Solved
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...
16 days ago
Solved
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...
16 days ago
Solved
Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...
16 days ago
Solved
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...
16 days ago
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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 ...
16 days 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...
16 days ago
Solved
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
16 days ago
Linked
Robotics Toolbox for MATLAB
MATLAB library by Peter Corke, for modeling and simulation of robot arm kinematics and dynamics
1 month ago | 20293 clicks |
Submitted
rollingShutter
Simulates the effect of a rolling shutter camera observing a rotating object
3 months ago | 16 downloads |
Submitted
Polynomialspirals
Interactively plot cubic polynomial spirals
3 months ago | 9 downloads |
Linked
The open online robotics education resource
University-level, short video lessons and full online courses.
4 months ago | 18 clicks |
Linked
Interface to LEGO EV3 brick
Information about the EV3 brick as well as MATLAB code to communicate with it.
4 years ago | 334 clicks |
Is it possible to connect Ev3 brick(Lego Mindstorms) with Matlab?
There's already a thread on this, have a look at the answers here http://www.mathworks.com/matlabcentral/answers/88078-suppor...
4 years ago | 0