Right Grievous

Last seen: plus de 3 ans il y a | Actif depuis 2013

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How do I apply a fitgeotrans output or similar to points NOT an image?
Hi everybody, I have been using the _fitgeotrans_ function to find the best linear weighted mean transformation between two s...

plus de 8 ans il y a | 1 réponse | 1

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3D reconstruction of points from three views - is there a 3 camera alternative to triangulate?
Hi everybody, I have three sets of x,y data, taken from an object tracked as it moves through three dimensions and taken by t...

environ 9 ans il y a | 1 réponse | 2

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How do I use Quiver with X, Y, radians and vector length?
Hi everybody, I would really like to use a quiver plot to display my data, however, I can't seem to get it to work properly, ...

plus de 9 ans il y a | 1 réponse | 0

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Is it possible to use imrect and display an internal grid or lines which will drag with it?
Hi everybody, I am plotting a draggable rectangle using imrect, but I would like to show the user the internal grid of this r...

plus de 9 ans il y a | 1 réponse | 0

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Is is possible to perform 3D triangulation on two sets of 2D data without knowing camera parameters?
Hi all, I am tracking the movement of an object inside a cube using two cameras - one above and one side-on. I need to re...

plus de 9 ans il y a | 1 réponse | 0

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Detecting path/trajectory turns in tracking data
Hi all, I have some 2D cartesian position data (x,y,time) for a moving object, I would love the extract all of the points whe...

presque 10 ans il y a | 2 réponses | 0

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Rotating polar coordinates 180 degrees
Hi all, I have a series of polar coordinates (ranging from -180 - 180 degrees), some of these coordinates are reflected in th...

presque 10 ans il y a | 2 réponses | 0

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Is it possible to morph a polygonal ROI into the shape of a second polygon?
Hi everybody, I was wondering (because it would be extremely helpful to a piece of code I am writing) whether it is possible ...

environ 10 ans il y a | 2 réponses | 0

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Is it possible to calculate the line of sight between two points in a 2d polygon?
Hi everybody, I have a polygon defined by a number of vertex coordinates and I have a coordinate within this polygon. I would...

environ 10 ans il y a | 3 réponses | 0

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Question

Morphing 2D cartesian coordinates, from one shape to another
Hi All, I have a slight problem for which I'm sure there must be a Matlab function but I can't work out what it is. I have a ...

environ 10 ans il y a | 1 réponse | 0

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Array indexing in parfor loops, why does this simple code not work?
Hi everybody, I have recently been looking into parfor loops, mostly out of curiosity. I have lots of loops which follow t...

plus de 10 ans il y a | 1 réponse | 0

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Question

Statistical comparison of two 2d matrices, corr2 or xcorr or other?
Hi everybody, I'm trying to compare 2d matrices (just 2 at a time) of identical sizes to see if they are similar, what I mean...

plus de 10 ans il y a | 1 réponse | 0

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Question

Is it possible to constrain an impoly within in impoly?
Hi everybody, I have a graph on which the user places a rectangle, I then want the user to be able to draw or modify another ...

plus de 10 ans il y a | 1 réponse | 0

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Question

ksdensity general help, what bandwidth and other settings to choose?
Hi everybody, I have some general questions regarding the ksdensity function. I'm trying to compare the cumulative density fu...

plus de 10 ans il y a | 1 réponse | 0

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Question

Rotate rectangle x number of degrees when using imrect or alternative function
Hi everybody, I would like to allow a user to draw a rectangle over a plot to highlight some data. This seems entirely possib...

plus de 10 ans il y a | 1 réponse | 0

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Réponse apportée
[DEPRECATED] What frustrates you about MATLAB?
Over commoditization frustrates me. Who at MTW decided nanmean and mean2 were so fantastic they should be distributed among two ...

presque 11 ans il y a | 0

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Multcompare after ANOVAN - what does it mean?
Hi all, I'm running an ANOVAN (n-way anova) using the Matlab anovan function on my data and 4 grouping variables (the first o...

presque 11 ans il y a | 1 réponse | 0

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ANCOVA (aoctool) with 2 or more covariates
I'll answer my own question... again. aoctool can't take more than one covariate and there's no way round it. However, there ...

presque 11 ans il y a | 1

| A accepté

Question

ANCOVA (aoctool) with 2 or more covariates
Is there any way to run an ANCOVA in Matlab with more than one covariate? The aoctool function only seems able to accept an IV a...

environ 11 ans il y a | 1 réponse | 0

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Extract x,y coordinates from plot function OR find coordinates between two x,y points
I answered my own question again: In my case I had the option of changing the coordinates slightly - I wasn't trying to find ...

environ 11 ans il y a | 0

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Extract x,y coordinates from plot function OR find coordinates between two x,y points
Hi again everybody, I have pairs of coordinates [x,y] which I can use to plot a nice figure of lines. However, I need to use ...

environ 11 ans il y a | 1 réponse | 0

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Réponse apportée
Fitting a single amplitude sine wave to known peak/trough points
I solved this problem by taking each location of a peak, using linspace to create the numbers 90-180 (as many numbers as I had t...

environ 11 ans il y a | 1

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Question

Fitting a single amplitude sine wave to known peak/trough points
Hi again everyone, I have a vector of data which I want to fit a sine wave to, I want the amplitude of the wave to remain con...

environ 11 ans il y a | 1 réponse | 0

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Question

Plotting (and saving) a figure with a black background
Hi again, I have another plotting question; I have 4 subplots and I want one of them to have a black background. Since I only...

environ 11 ans il y a | 2 réponses | 0

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1D plot with exciting colours
After some fiddling I have found this to be the simplest (and most visually appealing) solution, so I will post it here in it's ...

environ 11 ans il y a | 0

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Question

1D plot with exciting colours
Hi there, I have quite a simple question, simple because I'm sure Matlab can do this easily, I just don't know how. I want...

environ 11 ans il y a | 2 réponses | 0

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Question

Finding area of continuous values in a matrix
Hi there, I have binary matrices (about 50 x 50 but this size changes) and I want to quantify the size of fields/blobs/island...

plus de 11 ans il y a | 1 réponse | 1

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Question

Plot x y and time
Hi, I am using scripts written by someone else a long time ago (who has long since gone) and I'm having trouble getting them ...

presque 12 ans il y a | 1 réponse | 0

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