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Right Grievous


Last seen: 약 1달 전
35 2013 이후 총 참여 횟수

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질문


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...

4년 이상 전 | 답변 수: 1 | 1

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...

약 5년 전 | 답변 수: 1 | 1

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, ...

5년 이상 전 | 답변 수: 1 | 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...

5년 이상 전 | 답변 수: 0 | 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...

5년 이상 전 | 답변 수: 0 | 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...

6년 이하 전 | 답변 수: 2 | 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...

6년 이하 전 | 답변 수: 2 | 0

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해결됨


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...

6년 이하 전

해결됨


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 ...

6년 이하 전

해결됨


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

6년 이하 전

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

6년 이하 전

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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 ...

6년 이하 전

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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...

6년 이하 전

해결됨


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:...

6년 이하 전

질문


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 ...

약 6년 전 | 답변 수: 2 | 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...

약 6년 전 | 답변 수: 3 | 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 ...

약 6년 전 | 답변 수: 0 | 0

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...

6년 이상 전 | 답변 수: 1 | 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...

6년 이상 전 | 답변 수: 1 | 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 ...

6년 이상 전 | 답변 수: 1 | 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...

6년 이상 전 | 답변 수: 1 | 0

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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...

6년 이상 전 | 답변 수: 1 | 0

1

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답변 있음
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 ...

7년 이하 전 | 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...

7년 이하 전 | 답변 수: 0 | 0

0

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답변 있음
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 ...

7년 이하 전 | 1

| 수락됨

질문


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...

약 7년 전 | 답변 수: 1 | 0

1

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답변 있음
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 ...

약 7년 전 | 0

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질문


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 ...

약 7년 전 | 답변 수: 1 | 0

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답변 있음
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...

약 7년 전 | 1

| 수락됨

질문


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...

약 7년 전 | 답변 수: 1 | 0

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