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Peter Corke


Last seen: 23 dagen ago

Queensland University of Technology

71 total contributions since 2013

Professional Interests: robotics, computer vision

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Question


How to edit ThingSpeak data gathering script
Long ago I created a ThingSpeak channel to scrape data from a website. I used the template, filled in a bunch of parameters and...

6 maanden ago | 1 answer | 0

1

answer

Question


Toolbox export using 19a style project files
I'm very confused about these new project files. I have a .prj file that I've used for ages to package my code into a .mltbx fi...

8 maanden ago | 1 answer | 1

1

answer

Solved


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

ongeveer een jaar ago

Problem


Invert a 3D rotation matrix
Given a 3D rotation matrix, belonging to the matrix group SO(3), compute its inverse without using the functions |inv()| or |pin...

ongeveer een jaar ago | 0

Problem


Invert a 3D rigid-body transformation
Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using |inv()| or |pinv()| .

ongeveer een jaar ago | 0

Problem


Create a 3D rotation matrix
Consider an arbitrary coordinate frame {A}. Consider another coordinate frame {B} which has the same origin as {A} but is rotat...

ongeveer een jaar ago | 0

Problem


Create a 3D rotation matrix from roll-pitch-yaw angles
Consider an aerospace application where the world reference coordinate frame {W} and a body-fixed coordinate frame {B}. The ori...

ongeveer een jaar ago | 0

Problem


Orientation of a 3D coordinate frame
The orientation of a body-fixed frame {B} with respect to the world frame {W} is described by an SO(3) rotation matrix. Compute...

ongeveer een jaar ago | 0

Problem


Determine roll pitch yaw angles from a 3D rotation matrix
Consider an aerospace application where the world reference coordinate frame {W} and a body-fixed coordinate frame {B}. The ori...

ongeveer een jaar ago | 0

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

ongeveer een jaar ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

ongeveer een jaar ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

ongeveer een jaar ago

Solved


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

ongeveer een jaar ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

ongeveer een jaar ago

Solved


Find max
Find the maximum value of a given vector or matrix.

ongeveer een jaar ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

ongeveer een jaar ago

Solved


inner product of two vectors
inner product of two vectors

ongeveer een jaar ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

ongeveer een jaar ago

Submitted


Spatial Math Toolbox
Spatial math primitives for MATLAB

meer dan een jaar ago | 104 downloads |

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Problem


Homogeneous lines and points in 2D: problem 1
In high school we learn the line equation y = mx + c where m is the gradient and c is the intercept. However this form is prob...

meer dan een jaar ago | 0

Problem


Pose from bearing angles in 2D
A robot moving on the plane has a sensor that measures the bearing angle to two mapped landmarks, that is, the world frame coord...

meer dan een jaar ago | 1

Problem


Composing relative poses in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There i...

meer dan een jaar ago | 0

Problem


Composing relative poses in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There i...

meer dan een jaar ago | 0

Problem


Twists in 2D
So far we have represented the pose of an object in the plane using a homogeneous transformation, a 3x3 matrix belonging to the ...

meer dan een jaar ago | 0

Problem


Pose interpolation in 2D
Consider two poses represented by homogeneous transformation matrices: |T1| and |T2|. Write an algorithm to interpolate between...

meer dan een jaar ago | 0

Problem


Relative points in 2D: problem 3
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

meer dan een jaar ago | 0

Problem


Relative points in 2D: problem 1
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

meer dan een jaar ago | 0

Problem


Relative points in 2D: problem 2
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A la...

meer dan een jaar ago | 0

Problem


Relative pose in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There is a...

meer dan een jaar ago | 2

Problem


Relative pose in 2D: problem 2
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There is a...

meer dan een jaar ago | 0

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