Knut

Con actividad desde 2011

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Microphone giving only zero-samples for 2019b on macOS 10.14 Mojave
What I did: recObj = audiorecorder; recordblocking(recObj, 5); y = getaudiodata(recObj); While talking out loud. Expected ...

alrededor de 5 años hace | 0 respuestas | 2

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Passing parameters to plot() and axes() functions?
I would like to make a function that adds functionality on top of plot. I.e. a specialized plot. Say, function my_plot(vara...

más de 6 años hace | 1 respuesta | 0

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Silly user input causing MATLAB to grind to a halt
set(gca, 'YTick', 0:10*1e4); Causes my (OSX) MATLAB to grid to a halt. Of course, I should have written: set(gca, 'YTi...

más de 6 años hace | 0 respuestas | 0

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Deleting an irregular "row"/"column" from 2-d array
I have a 2d array, and I want to eliminate the same _number_ of elements in each row (or column) (e.g. 1 element), but the index...

casi 7 años hace | 1 respuesta | 1

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How to read a yuv (or avi file) into matlab for video processing
The weights in the top of your code seems to be the Y-weights in standard YCbCr: https://en.wikipedia.org/wiki/YUV Thus it i...

más de 7 años hace | 0

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Spacing in defining complex numbers?
I just spent a while puzzling over a problem until it dawned on me: a1 = [3.98994e-05 +1i*-0, 4.21732e-05 +1i*3.69849e-05];...

más de 7 años hace | 2 respuestas | 0

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Indexing irregular, constant width "stripes" of a 2-d array
I want to index an array in asynchronous stripes of constant width. Perhaps best described by an example: bob = magic(7); ...

alrededor de 8 años hace | 1 respuesta | 0

1

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regexp string to numeric array
I have what seems like a common problem: a series of strings containing numeric data mixed with text. I want to extract those nu...

alrededor de 8 años hace | 2 respuestas | 0

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Anti-Aliasing Filter code for an image?
Anti aliasing is usually applied when going from a continous/high-resolution implementation to a low-resolution implementation. ...

alrededor de 8 años hace | 0

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How can one convert a 3d matrix of ones and zeros this into a 3d image with the ones being solid voxels and the zeros being empty voxels. thanks :)
Sounds like you want to visualize a 3-d array in the same way that image() lets you visualize 2-d arrays. I did, and ended up...

alrededor de 8 años hace | 0

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Bar Graph that does not start from zero
Google sent me here in the search for a "bipolar" bar graph. It is my understanding that the baseline property is global, while ...

alrededor de 8 años hace | 0

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Live Script - comments and critique
I think it is great that Matlab is finally doing something like Live Script. I have been envious of Python collegues for some ti...

alrededor de 8 años hace | 0 respuestas | 0

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radar plot
A variant on radar/spider plot where different dimensions can have different scaling

alrededor de 8 años hace | 3 descargas |

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Throw common elements of two vector arrays
Throw common elements as output of two given input vector arrays

casi 9 años hace

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Feature request: Breakpoint stop on errors in non Mathworks code
I am aware of the call stack and the link in the error message. What I requested was slightly different though. Let me try to ex...

casi 9 años hace | 0

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Feature request: drag and move breakpoint
Occasionally, I'll have a conditional break point in my code that contains the right conditions, but is positioned at the wrong ...

casi 9 años hace | 1 respuesta | 0

1

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Feature request: Breakpoint stop on errors in non Mathworks code
I like to use the "stop on errors" function. This allows me to run and test my stuff, and whenever some error occurs, I have ins...

casi 9 años hace | 4 respuestas | 1

4

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

casi 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...

casi 9 años hace

Resuelto

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

casi 9 años hace

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2015b OSX 10.11.2 graphical/figure bug(s)
I am using a late 2013 macbook pro connected to two external displays # Open MATLAB # Type "figure()" in the MATLAB command ...

casi 9 años hace | 1 respuesta | 1

1

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Matlab mobile plot navigation
Great little app. I am missing a simple script editor and navigation in plots. You got these interesting visuals and an app that...

alrededor de 9 años hace | 0 respuestas | 0

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Anything like IPython Notebook for MATLAB
I am using MATLAB a lot for prototyping, for communicating ideas and for documenting stuff for later use. Whenever you make a Ma...

alrededor de 9 años hace | 1 respuesta | 0

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Plots are shown as upper left cropped on OSX in 2015b
When plotting on my retina macbook pro connected to a non-retina external display, figures are always shown as a cropped upper l...

alrededor de 9 años hace | 0 respuestas | 3

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expanding arrays to take all permutations for add/subtract operations
a = reshape(1:9,3,3) b = reshape(0:0.1:0.5,2,3) arows = size(a,1); brows = size(b,1); for m = 1:arows for n =...

más de 9 años hace | 1 respuesta | 0

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Would a BSXFUN operator family be a good idea?
I occasionally use the kron() function, and I probably should use bsxfun() more. What I seem to be banging my head up against: ...

más de 11 años hace | 0

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What hardware/OS/.. to use for speed?
Does MATLAB 2013a exploit the Intel AVX/AVX2 256-bit SIMD to any degree? Does MATLAB tend to be shipped with the most recent...

más de 11 años hace | 0 respuestas | 0

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Respondida
How to create an image puzzle?
Hi. I was not entirely sure what you were requesting, so I choose to do some interpretation. The snip below will load a stand...

más de 11 años hace | 1

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What is the preferred way to interface MATLAB with SPICE?
I have a lot of experience with MATLAB, and very little experience with SPICE (did some stuff back in university). I'd like to s...

más de 11 años hace | 3 respuestas | 0

3

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How to overlay a log-plot on top of an image
Here is my suggested solution. Nothing ground-breaking, but a bit fiddly for my skills using axes. %%generate some trivial d...

más de 11 años hace | 0

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