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Right Grievous


Last seen: circa 3 anni fa |  Attivo dal 2013

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Domanda


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...

quasi 8 anni fa | 1 risposta | 1

1

risposta

Domanda


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...

oltre 8 anni fa | 1 risposta | 2

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risposta

Domanda


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, ...

quasi 9 anni fa | 1 risposta | 0

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risposta

Domanda


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...

quasi 9 anni fa | 0 risposte | 0

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risposte

Domanda


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...

quasi 9 anni fa | 0 risposte | 0

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risposte

Domanda


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...

circa 9 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

circa 9 anni fa | 2 risposte | 0

2

risposte

Risolto


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...

oltre 9 anni fa

Risolto


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

oltre 9 anni fa

Risolto


Is my wife right?
Regardless of input, output the string 'yes'.

oltre 9 anni fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

oltre 9 anni fa

Risolto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

oltre 9 anni fa

Risolto


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...

oltre 9 anni fa

Risolto


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:...

oltre 9 anni fa

Domanda


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 ...

oltre 9 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

oltre 9 anni fa | 3 risposte | 0

3

risposte

Domanda


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 ...

oltre 9 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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 ...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 10 anni fa | 1 risposta | 0

1

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Risposto
[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 ...

oltre 10 anni fa | 0

Domanda


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...

oltre 10 anni fa | 0 risposte | 0

0

risposte

Risposto
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 ...

oltre 10 anni fa | 1

| accettato

Domanda


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...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Risposto
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 ...

oltre 10 anni fa | 0

| accettato

Domanda


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 ...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Risposto
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...

oltre 10 anni fa | 1

| accettato

Domanda


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...

oltre 10 anni fa | 1 risposta | 0

1

risposta

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