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Awarded to PetterS on 20 Jul 2017
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Pregunta
How do I use the new Support Vector Machine Regression model to simulate the response of new predictors?
I’m trying out the new SVM regression capabilities that came with 2015b by following the example from the documentation as muc...
más de 8 años hace | 1 respuesta | 0
1
respuestaPregunta
Is memory reduction not possible when training a neural network on a GPU?
When dealing with large datasets the amount of temporary storage needed during neural network training can be reduced by adding ...
más de 8 años hace | 1 respuesta | 0
1
respuestaPregunta
GPU training of neural network with parallel computing toolbox unreasonably slow, what am I missing?
I’m trying to speed up the training of some NARNET neural networks by using the GPU support that you get from the parallel compu...
casi 9 años hace | 2 respuestas | 2
2
respuestasPregunta
Are reasonable targetless multistep ahead predictions in a NARXNET even possible?
Hi! I want to forecast the future of a time series that I believe is depending on several other external inputs. Now since I ...
casi 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Append new values from a streaming time series to a saved .mat file?
Hi. I have data continuously coming in to matlab every few seconds that I want to save to a file with as little delay as poss...
casi 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Scatter plot matrix data while keeping it considered as one data series?
I have two variables, variable A contains information about the orientation of a surface for each minute of a day, variable B co...
casi 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Optimize/speed up a big and slow matrix operation with addition and bsxfun?
Hi. I have a fairly long line of code in my script that takes about 7 seconds to run, it was originally three separate calculati...
alrededor de 9 años hace | 2 respuestas | 0
2
respuestasPregunta
Vectorizing/speeding up bsxfun multiplication-loop
I have a situation that looks like this: C=zeros(1440,181,8); for i=1:8 C(:,:,i)=sum(bsxfun(@times,A(:,:,31:end),re...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Is it possible to add/combine matrices without increasing memory usage?
Hi. I have a script that is really pushing the RAM limit of my computer and in one situation I have two large matrices of the sa...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Numerical integration with the GPU? Trapz appears to be unsupported in arrayfun, are there any alternatives?
I’ve recently discovered GPU computing in Matlab and it’s been helping me a lot with speeding up slow calculations, so I want to...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Struggling a bit with writing a function and passing it to the GPU with via arrayfun
I have a long equation that I am currently looping though element by element and its taking forever so I want to make it faster....
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Is this a valid vectorization of my loop?
I have a loop that I want to calculate that looks like this: TiltedGroundreflected = zeros(1440, length(Tilt), size(UpScale...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Vectorizing a loop that calculates cosd on every element?
Hi. I have radiation data for every minute of a day that is spectrally resolved so each minute contains several wavelengths. I w...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
1x2 single a.k.a. the cursed variable that refuses to be tamed. How do i turn it into 1x2 double and what is the difference between the two seemingly identical variables?
I am trying to programmatically take a screenshot and identify the location of a specific button on the screen using the techniq...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Amplitude adjustment on integral
Hi. I have a lot of electromagnetic spectrums that show the correct distribution (shape of the curve) of wavelengths, but I need...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Repeating a time series from yyy-MM-dd to yyyy-MM-dd-hh-mm
I have a matrix where the first column is a time series with dates down to one minute resolution, in the format: yyyy-MM-dd-hh-m...
alrededor de 9 años hace | 1 respuesta | 0
1
respuestaPregunta
Problems with showing geolocated data with geoshow. Error in Zdata
Hi. I have a number of netCDF files containing geolocated satellite data that I need to plot and analyze, but I’m having some di...
alrededor de 9 años hace | 2 respuestas | 0
2
respuestas
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