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Niko


Last seen: etwa 2 Jahre vor |  Aktiv seit 2013

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Beantwortet
How to count annotation dots from am image?
Say the color of the dot is [0, 0, 255]. First convert the image to a logical matrix: BW = im(:, :, 1) == 0 & im(:, :, 2) =...

etwa 7 Jahre vor | 0

Beantwortet
Find and Save Values of Unique Combinations of Two Rows of a Matrix
Input: A = [1 1 1 1 1 3 3 4 4 5 5 5 5 6 6 2 2 3 3 4 4 4 4 5 5 6 6 7 7 8 3 4 6 2 1 3 4 5 7 4 3 1 3 2 1]; ...

etwa 7 Jahre vor | 0

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sum special rows on a matrix with unique function
To clarify, do you wish to merge rows in A that have the same first four elements? If that's the case, you can try [B, ~, i...

etwa 7 Jahre vor | 0

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Is there a way to know which algorithm eig uses?
The supporting document says eig(A,B) uses Cholesky decomposition if A is Hermitian and B is Hermitian and positive definite, ot...

mehr als 8 Jahre vor | 0 Antworten | 0

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How can I find the most frequent character in say a list of words (cell array of strings)?
Are you looking for the most frequent character in each word? if so you can do cellfun(@mode,{'hello','what','is','your','n...

mehr als 8 Jahre vor | 0

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Can someone close this question?
First of all, it's .7391, not .7931. The problem with your code is that your value of xstar will not be exactly equal to .7391 (...

fast 9 Jahre vor | 0

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Frage


Can you use a single context menu for multiple objects?
Hi all, Say I have ten plots in a single figure, and now I wish to add some context menus to them so that when I right-click ...

fast 9 Jahre vor | 0 Antworten | 0

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Multiple objects sharing a context menu?
Hi all, I'm trying to have multiple objects in the same figure share a common context menu. In the menu callback, is there a ...

fast 9 Jahre vor | 4 Antworten | 1

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Frage


Indexing matrices along a given dimension
Hi all, Say I have two matrices A=[3,2,1;6,4,5]; B=['c','b','a';'f','d','e']; (Note the correspondence between elements ...

etwa 9 Jahre vor | 1 Antwort | 0

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Is there a way to install an App on Linux for all users?
Hi all, I'm trying to install a custom App on MATLAB R2014b on a Linux system for all users, but it seems like I can only ins...

mehr als 9 Jahre vor | 0 Antworten | 0

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How to determine the boundary of a patch surface?
For a 3D patch surface object,I want to find the edges of facets that lie on the boundary of the surface. For example, for ...

mehr als 9 Jahre vor | 0 Antworten | 0

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How to interrupt a callback while it's calling another function?
Hi All, The callback of a GUI button in my program calls another function (which takes a long time to run). Is there a way to...

mehr als 9 Jahre vor | 1 Antwort | 0

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Is there a way to manually set the face normal of a patch face?
Hi all, I have a patch object with two faces that are almost on the same plane, but not exactly, so their lighting is slightl...

mehr als 9 Jahre vor | 0 Antworten | 0

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Beantwortet
how to find the weighted centroid, center of mass/barycenter of a 3D grid of points
sum(bsxfun(@times,A(:,1:3),A(:,4)),1)/sum(A(:,4)) Not sure if this is what you're looking for...

mehr als 9 Jahre vor | 0

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How do I force breaking from a modal GUI window?
Hi all, I'm been running into this problem several times. Say I have a modal GUI window, and if there is something wrong with...

mehr als 9 Jahre vor | 1 Antwort | 0

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software vs. hardware openGL issue in R2014b?
Hi all, I recently switched to matlab R2014b from R2013b. When I was using R2013b, there was openGL issues about surface ...

fast 10 Jahre vor | 1 Antwort | 3

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Beantwortet
array comparison. help please!
[~,ind]=ismember(barr,pt(2:end,1)); temp=pt(:,2); temp{1}=0; Sbarr=[barr,temp(ind+1)]

fast 10 Jahre vor | 1

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Beantwortet
trying to rearange a matrix with 2 vectors of indexes and one vector of values
cf. <http://www.mathworks.com/help/matlab/ref/sub2ind.html sub2ind> LinInd=sub2ind(size(YourMatrix),RowInd,ColInd); Your...

fast 10 Jahre vor | 0

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How to automatically scroll a textbox to end of line?
Hi all, I'm trying to code a calculator, which has an inactive (non-editable) textbox used for display of the input. Is there...

fast 10 Jahre vor | 1 Antwort | 0

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How to fix the column width of uitable so the user can't change it?
It seems like column width in a uitable is always adjustable by the user which is annoying sometimes... Is there a way to fix it...

fast 10 Jahre vor | 1 Antwort | 0

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CaretPositionChanged callback for editbox not working
Hi all, I'm trying to detect when the position of the cursor in an editbox changes. This is the current code I'm using in the...

fast 10 Jahre vor | 0 Antworten | 0

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How to lock the focus on a GUI window?
Hi all, I'm working with a multiple window GUI, and a feature I want is to lock the focus on a specific window at some point ...

etwa 10 Jahre vor | 1 Antwort | 0

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Assigning a vector to multiple rows of a matrix
Hi all, This is actually something I've been wondering for a while... Say I have a 1-by-4 vector A and a 5-by-4 matrix B. Now...

etwa 10 Jahre vor | 3 Antworten | 0

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Why are campos and view interlocked??
Hi everyone, I've been playing around with these two parameters for an hour and it seems whenever you change one of them, the...

mehr als 10 Jahre vor | 1 Antwort | 0

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convert a number to n-ary format
Hi everyone, How can I implement a function of converting an integer into another numeral system? For example, func(13,2) sh...

mehr als 10 Jahre vor | 0 Antworten | 0

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Problem about specifying truecolor cData for a patch object
Hi all, I'm having trouble with coloring a patch object using cData. My patch object is a triangulated polyhedron, so size(ZD...

mehr als 10 Jahre vor | 0 Antworten | 0

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How do I 'stroke' a surface object?
Hi, When I draw a surface object with surf, is there a way to 'stroke' the outline of that surface to make it better stand ou...

fast 11 Jahre vor | 0 Antworten | 0

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