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Last seen: 3 years ago |  Active since 2019

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designing a trial structure with psychtoolbox
Hi all, I am trying to use psychtoolbox to design an experiment where the trials are structured as described in the attached ...

4 years ago | 0 answers | 0

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Question


Upload text file and rearrange columns
Hi, I am trying to input the file attached titled "input_file.txt" into MATLAB and organise the content so as to output in the ...

4 years ago | 1 answer | 0

1

answer

Answered
Extracting points from a matrix tangential to a centreline
Ah I see, what I need is cross sections that consists of points from my geometry and the corresponding variable which is shear s...

4 years ago | 0

Question


Extracting points from a matrix tangential to a centreline
Hello, I have a tube with two branches (please see attached point cloud showing this model where the columns are x y z and a va...

4 years ago | 2 answers | 0

2

answers

Question


Delete values in one matrix that aren't contained in a second matrix
Hello I have two matrices. Matrix 1 which is 189349x4 containing X, Y, Z and a variable respectively. Matrix 2 which is 81102x3...

5 years ago | 1 answer | 0

1

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Question


Distance between points of a 3D centreline
Hello, I have a curve represented by 3D points (please see attached .mat file). I would like to find out the distance between t...

5 years ago | 1 answer | 0

1

answer

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Extracting values from a cell array into new arrays
Hi, I have a 1x44 cell array where each column contains a 72x4 double array. I also have a 10x2 double array. Please see both ....

5 years ago | 2 answers | 0

2

answers

Question


Create a spline along points and then extract points at a specified distance apart
Hi all, I have a 3D centreline (XYZ), please see attached .txt. The points are not a equidistant length apart. I want to crea...

5 years ago | 1 answer | 0

1

answer

Question


Corresponding values between two matrices
Hello, I have two matrices of different sizes. Please see attached .mat files containing the matrices. Matrix A = [3168x2] and ...

5 years ago | 1 answer | 0

1

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Question


create a new matrix that extracts the values in matrix A as stipulated in matrix B
Hello all, I have a matrix A = [4; 8; 12; 16] where each row refers to a row in another matrix. For instance the other matrix i...

5 years ago | 1 answer | 0

1

answer

Question


Extracting certain values from a cell array with nth columns containing double arrays
Hello all, I have a 1x44 cell array where each column contains a 72x4 double array. For each of these double arrays I need to e...

5 years ago | 1 answer | 0

1

answer

Question


Get axis and angle of rotation of a plane
Hi all, I have a finite plane that intersects a centreline. I know the point on the centreline of where the intersection occurs...

5 years ago | 0 answers | 0

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answers

Question


Calculate the angle between plane normal and a point it cuts
I am trying to write a script that will calculate the angle between two 3D vectors. Specifically I have a plane cutting through ...

5 years ago | 1 answer | 0

1

answer

Question


Extracting certain lines from a text file containing both characters and numbers
I am trying to load the following data into MATLAB. I then want to extract the line starting with "length area (&)" until "16 ...

5 years ago | 1 answer | 0

1

answer

Question


creating a curve from XYZ points (centreline) and then split curve into new points
Hi all, I have X Y and Z coordinates which represent points along a centreline. There are for instance 60 but I need to be able...

5 years ago | 2 answers | 0

2

answers