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Right Grievous


Last seen: alrededor de 3 años hace Con actividad desde 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...

casi 8 años hace | 1 respuesta | 1

1

respuesta

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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...

más de 8 años hace | 1 respuesta | 2

1

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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, ...

alrededor de 9 años hace | 1 respuesta | 0

1

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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...

alrededor de 9 años hace | 0 respuestas | 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...

alrededor de 9 años hace | 0 respuestas | 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...

más de 9 años hace | 2 respuestas | 0

2

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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...

más de 9 años hace | 2 respuestas | 0

2

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Resuelto


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...

más de 9 años hace

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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 ...

más de 9 años hace

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

más de 9 años hace

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

más de 9 años hace

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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 ...

más de 9 años hace

Resuelto


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...

más de 9 años hace

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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:...

más de 9 años hace

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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 ...

más de 9 años hace | 2 respuestas | 0

2

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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...

más de 9 años hace | 3 respuestas | 0

3

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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 ...

más de 9 años hace | 0 respuestas | 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...

casi 10 años hace | 1 respuesta | 0

1

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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...

casi 10 años hace | 1 respuesta | 0

1

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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 ...

casi 10 años hace | 1 respuesta | 0

1

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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...

casi 10 años hace | 1 respuesta | 0

1

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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...

alrededor de 10 años hace | 1 respuesta | 0

1

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Respondida
[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 ...

más de 10 años hace | 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...

más de 10 años hace | 0 respuestas | 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 ...

más de 10 años hace | 1

| aceptada

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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...

más de 10 años hace | 1 respuesta | 0

1

respuesta

Respondida
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 ...

más de 10 años hace | 0

| aceptada

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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 ...

más de 10 años hace | 1 respuesta | 0

1

respuesta

Respondida
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...

más de 10 años hace | 1

| aceptada

Pregunta


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...

más de 10 años hace | 1 respuesta | 0

1

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