Questions tagged [momentum]

80 questions
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Changing an optimisers momentum in pytorch

I know you can change the learning rate dynamically in pytorch using schedulers. How can you do the same with momentum?
RetAFVLib
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Scroll events during momentum scrolling in Cordova for IOS

Variations of this question have been asked before (e.g. here and here), but with no conclusive answers yet. Is there a way to get scroll events to trigger (and use these listeners to update the DOM) during the momentum/inertia/deceleration part of…
tgordon18
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How does the momentum/inertial scroll work with the Magic Mouse on NSScrollView?

When you scroll with the newer Apple Magic Mouse (at least on 10.6, I can't confirm any previous Mac OS) you get inertial scroll like scrolling on iPhone (that is, after a flick of the finger to scroll, it doesn't abruptly stop, but instead…
jbrennan
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Detecting momentum/inertia scroll on iPad on page elements

I am building an infinite scroll component for a web page that needs to work on iPad. So - when the user scrolls to the bottom of a list, we load more content and display an animated ajax loader image while it's loading. I have managed to get this…
loydall
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Trigger.IO momentum scrolling

Is it possible to add momentum/intertia scrolling to a trigger.io-wrapped HTML5 iOS app? I'm currently building a basic app, and noticed that the Webview does not respond to the momentum of a swipe action when scrolling through content (iOS 6;…
dbau
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Constructing Momentum Factor in R Studio - Fama & French

I want to construct a momentum factor which is part of Fama and French Regression. We have a monthly data table starting from 1980-12-31 to 2021-12-31, and a time series of stock returns, given as a percentage monthly return. [The Image is showing a…
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Smooth / Momentum Scroll on window without a container

I'm trying to simulate the buttery scroll on mac os / ios, often referred to as "inertia scroll" or "momentum scrolling", as you're going through the page. Everything I found so far uses a transform3d to shift your content around and they manipulate…
David
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How can torch parameters be frozen if an optimizer with momentum is used?

I am training a torch model, where I want to freeze (and later unfreeze) certain parameters. I was under the impression, that simply setting param.requires_grad = False would accomplish this. This does not seem to be the case for optimizers with…
Dillmann
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ANN - Velocity Initialization

While trying to implement neural network training algorithms, I came across different concepts, including that of Gradient descent which tries to mimic a ball rolling down a hill, and of velocity and momentum to better model the rolling ball. I…
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Momentum portfolio(trend following) quant simulation on pandas

I am trying to construct trend following momentum portfolio strategy based on S&P500 index (momthly data) I used Kaufmann's fractal efficiency ratio to filter out whipsaw signal (http://etfhq.com/blog/2011/02/07/kaufmans-efficiency-ratio/) I…
Wookeun Lee
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Why does the scrollbar influence width of fixed/absolute elements but not static/relative

We noticed a strange behaviour with all browsers under OSX' when using the scrollbar "show automatically"-feature vs. "always visible" (see OSX settings->general). If it's switched to "always", fixed/absolute elements with 100% are 15px less width…
Raphael Jeger
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In a Neural Network, should bias have a momentum term?

Should the momentum be added also to the bias term of every node in the network or preferably only on weights?
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iOS: -webkit-overflow-scrolling:touch and scrollTop

I have some trouble when trying to back to the top of a list. I put -webkit-overflow-scrolling:touch on the list to get momentum scroll. However when I'm using jQuery scrollTop(); while the momentum scroll is still going, it jumps to the top but…
Luxbit
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Stop scroll momentum after animated scrollTop

I am building a website and would like to lock to certain content once passed a threshold. I am using a Jquery animated scrollTop to slide the content into place, and it is working well enough, however I have a momentum problem. If I scroll slowly…
Caranicas
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No scroll momentum/inertia

I'm developing a mobile web app using framework7 and phonegap build and i'm testing on android device. I'm using framework7's inline pages layout and i can't manage to get scroll inertia or momentum (the feature that make a long page scrolling even…
Riccardo
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