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Tan Shuwen is pig


Last seen: 3 months ago |  Active since 2017

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Answered
When the yaw angle exceeds 90° the robot cannot maintain balance states in Simscape
@Sam Chak @Aquatris Hi, thanks for your response. Yes, all of it is caused by singlarity at a yaw angle of 90°. I just use a stu...

3 months ago | 0

Question


When the yaw angle exceeds 90° the robot cannot maintain balance states in Simscape
I used simscape to simulate，modeling and control of a wheeled biped robot. I used LQR to calculate the torque for the robot to m...

3 months ago | 1 answer | 0

1

answer

Question


se3 and so3 dose not support symbolic computation
the se3 and so3 object dose not support symbolic computation. Do you have any plans to carry out this update, which is very impo...

1 year ago | 1 answer | 0

1

answer

Answered
matlab2020b update1/rosbag error
I found a solution to the problem, it's very simple, file path of your bag cannot have Chinese character.

3 years ago | 0

Answered
Fatal error R2020b rosbag . when i call bag = rosbag(filename), it shows "An error occurred when reading from the file." However, it works fine in R2020a.
I found a solution to the problem, it's very simple, file path of your bag cannot have Chinese character.

3 years ago | 0

Answered
Fatal error R2020b rosbag . when i call bag = rosbag(filename), it shows "An error occurred when reading from the file." However, it works fine in R2020a.
I have the same problem after Matlab update. It works ok in matlab 2020a, but not work in matlab2020b update4.

4 years ago | 0

Answered
matlab2020b update1/rosbag error
I have the same problem after Matlbab update.

4 years ago | 0

Solved


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...

5 years ago

Solved


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 lan...

5 years ago

Solved


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...

5 years ago

Solved


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...

5 years ago

Solved


Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

7 years ago

Solved


Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

7 years ago

Solved


Model a falling body
An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

7 years ago

Solved


De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

7 years ago

Solved


Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

7 years ago

Solved


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:...

7 years ago

Solved


Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

7 years ago

Solved


Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

7 years ago

Solved


Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

7 years ago

Solved


Max of a Vector
Write a function to return the max of a vector

7 years ago

Solved


Area of a circle
Find the value for area of the circle if diameter is given

7 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

7 years ago

Solved


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

7 years ago

Solved


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

7 years ago

Solved


Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

7 years ago

Solved


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

7 years ago

Solved


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

7 years ago

Solved


Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

7 years ago

Solved


Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

7 years ago

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