User contributions
From Ufldl
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- 06:52, 28 May 2011 (diff | hist) UFLDL Tutorial
- 05:56, 28 May 2011 (diff | hist) Sparse Coding: Autoencoder Interpretation
- 05:49, 28 May 2011 (diff | hist) Sparse Coding: Autoencoder Interpretation
- 05:49, 28 May 2011 (diff | hist) Sparse Coding: Autoencoder Interpretation
- 05:49, 28 May 2011 (diff | hist) Sparse Coding: Autoencoder Interpretation
- 05:47, 28 May 2011 (diff | hist) Sparse Coding: Autoencoder Interpretation
- 05:03, 28 May 2011 (diff | hist) N Sparse Coding: Autoencoder Interpretation (Created page with "In the sparse autoencoder, we tried to learn a set of weights <math>W</math> (and associated biases <math>b</math>) that would give us sparse features <math>\sigma(Wx + b)</math>...")
- 04:23, 28 May 2011 (diff | hist) UFLDL Tutorial
- 07:45, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Convolution and Pooling)
- 07:22, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 06:17, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Dependencies)
- 06:02, 22 May 2011 (diff | hist) Exercise:Learning color features with Sparse Autoencoders (→Step 1: Modify sparseAutoencoderCost.m to use a linear decoder)
- 06:00, 22 May 2011 (diff | hist) Exercise:Learning color features with Sparse Autoencoders (→Dependencies)
- 05:57, 22 May 2011 (diff | hist) m Exercise:Convolution and Pooling (→Step 1: Load learned features)
- 05:56, 22 May 2011 (diff | hist) Exercise:Learning color features with Sparse Autoencoders (→Step 2: Learn features on small patches)
- 05:54, 22 May 2011 (diff | hist) Exercise:Learning color features with Sparse Autoencoders (→Learning color features with Sparse Autoencoders)
- 05:31, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 2: Convolution and pooling)
- 05:30, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 1: Learn color features)
- 05:29, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 1: Learn color features)
- 05:28, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Dependencies)
- 05:28, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Convolution and Pooling)
- 05:27, 22 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 05:19, 22 May 2011 (diff | hist) Exercise:Learning color features with Sparse Autoencoders (→Learning color features with Sparse Autoencoders)
- 08:05, 20 May 2011 (diff | hist) File:Cnn Features Good.png (uploaded a new version of "File:Cnn Features Good.png")
- 08:00, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:58, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 5: Test classifier)
- 07:35, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:34, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:33, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:32, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:31, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:29, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:28, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:27, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:26, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:23, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 2: Learn features on small patches)
- 07:22, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:18, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:02, 20 May 2011 (diff | hist) Feature extraction using convolution (→Convolution)
- 07:02, 20 May 2011 (diff | hist) Feature extraction using convolution (→Convolution)
- 06:47, 20 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Convolution and Pooling)
- 07:54, 14 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:53, 14 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:42, 14 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:03, 14 May 2011 (diff | hist) UFLDL Tutorial
- 07:01, 14 May 2011 (diff | hist) Pooling
- 07:00, 14 May 2011 (diff | hist) N Pooling (Created page with "=== Pooling === Now that you have obtained an array of convolved features, you might try using these features for classification. However, thinking about why we decided to obtai...")
- 07:00, 14 May 2011 (diff | hist) UFLDL Tutorial
- 07:00, 14 May 2011 (diff | hist) Feature extraction using convolution
- 04:49, 13 May 2011 (diff | hist) Stacked Autoencoders
- 04:49, 13 May 2011 (diff | hist) File:Stacked Combined.png (uploaded a new version of "File:Stacked Combined.png") (top)
- 04:47, 13 May 2011 (diff | hist) Stacked Autoencoders
- 04:33, 13 May 2011 (diff | hist) Stacked Autoencoders (→Training)
- 04:32, 13 May 2011 (diff | hist) Stacked Autoencoders (→Training)
- 04:28, 13 May 2011 (diff | hist) N File:Stacked SparseAE Features2.png (top)
- 04:28, 13 May 2011 (diff | hist) N File:Stacked SparseAE Features1.png (top)
- 04:28, 13 May 2011 (diff | hist) N File:Stacked Softmax Classifier.png (top)
- 04:28, 13 May 2011 (diff | hist) N File:Stacked Combined.png
- 04:27, 13 May 2011 (diff | hist) N File:Stacked 2Layers.png (top)
- 03:55, 13 May 2011 (diff | hist) File:STL Logistic Classifier.png (uploaded a new version of "File:STL Logistic Classifier.png") (top)
- 03:55, 13 May 2011 (diff | hist) File:STL CombinedAE.png (uploaded a new version of "File:STL CombinedAE.png") (top)
- 02:22, 11 May 2011 (diff | hist) Self-Taught Learning (→Learning features)
- 02:22, 11 May 2011 (diff | hist) Self-Taught Learning to Deep Networks
- 02:20, 11 May 2011 (diff | hist) Self-Taught Learning to Deep Networks
- 02:20, 11 May 2011 (diff | hist) Self-Taught Learning
- 02:19, 11 May 2011 (diff | hist) File:STL SparseAE Features.png (uploaded a new version of "File:STL SparseAE Features.png") (top)
- 02:18, 11 May 2011 (diff | hist) File:STL SparseAE.png (uploaded a new version of "File:STL SparseAE.png") (top)
- 02:18, 11 May 2011 (diff | hist) File:STL Logistic Classifier.png (uploaded a new version of "File:STL Logistic Classifier.png")
- 02:18, 11 May 2011 (diff | hist) File:STL CombinedAE.png (uploaded a new version of "File:STL CombinedAE.png")
- 07:50, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Convolution and Pooling)
- 07:46, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Step 3a: Convolution)
- 07:45, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:45, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:44, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 07:04, 8 May 2011 (diff | hist) N File:Cnn Features Good.png
- 07:03, 8 May 2011 (diff | hist) N File:Cnn Features Bad2.png
- 07:03, 8 May 2011 (diff | hist) File:Cnn Features Bad1.png (uploaded a new version of "File:Cnn Features Bad1.png")
- 07:01, 8 May 2011 (diff | hist) N File:Cnn Features Bad1.png
- 07:00, 8 May 2011 (diff | hist) Exercise:Convolution and Pooling
- 06:24, 8 May 2011 (diff | hist) Exercise:Self-Taught Learning
- 03:48, 8 May 2011 (diff | hist) Data Preprocessing (→Reconstruction Based Models)
- 03:48, 8 May 2011 (diff | hist) N File:ZCA Eigenvalues Plot.png (top)
- 03:47, 8 May 2011 (diff | hist) Data Preprocessing (→PCA/ZCA Whitening)
- 08:07, 7 May 2011 (diff | hist) Exercise:Convolution and Pooling (→Dependencies)
- 07:50, 7 May 2011 (diff | hist) N Exercise:Convolution and Pooling (Created page with "== Convolution and Pooling == This problem set is divided into two parts. In the first part, you will implement a linear decoder to learn features on color images from the S...")
- 07:36, 7 May 2011 (diff | hist) UFLDL Tutorial
- 07:34, 7 May 2011 (diff | hist) File:Pooling schematic.gif (uploaded a new version of "File:Pooling schematic.gif") (top)
- 07:07, 7 May 2011 (diff | hist) Feature extraction using convolution
- 07:07, 7 May 2011 (diff | hist) N File:Pooling schematic.gif
- 07:05, 7 May 2011 (diff | hist) N File:Convolution schematic.gif
- 07:04, 7 May 2011 (diff | hist) N File:Conv.gif (top)
- 05:34, 7 May 2011 (diff | hist) Feature extraction using convolution
- 05:33, 7 May 2011 (diff | hist) Feature extraction using convolution
- 05:31, 7 May 2011 (diff | hist) Feature extraction using convolution
- 05:28, 7 May 2011 (diff | hist) N Feature extraction using convolution (Created page with "=== Convolution === So far, you have been working with relatively small images (either 8x8 patches for the sparse autoencoder assignment, or 28x28 images for the MNIST dataset)....")
- 07:22, 5 May 2011 (diff | hist) Linear Decoders
- 07:22, 5 May 2011 (diff | hist) N Linear Decoders (Created page with "In the autoencoder exercises so far, you have been using '''sigmoid decoders''' to reconstruct the input from the features (activations of the hidden layer). That is, the activat...")
- 06:30, 5 May 2011 (diff | hist) UFLDL Tutorial
- 06:29, 5 May 2011 (diff | hist) UFLDL Tutorial
- 08:02, 4 May 2011 (diff | hist) Self-Taught Learning to Deep Networks (→Discussion)
- 08:01, 4 May 2011 (diff | hist) Self-Taught Learning to Deep Networks (→From Self-Taught Learning to Deep Networks)
- 08:00, 4 May 2011 (diff | hist) Self-Taught Learning to Deep Networks (→From Self-Taught Learning to Deep Networks)
- 07:59, 4 May 2011 (diff | hist) Self-Taught Learning (→Learning features)
- 07:58, 4 May 2011 (diff | hist) N File:STL SparseAE Features.png
- 07:58, 4 May 2011 (diff | hist) N File:STL SparseAE.png
- 07:58, 4 May 2011 (diff | hist) N File:STL Logistic Classifier.png
- 07:58, 4 May 2011 (diff | hist) N File:STL CombinedAE.png
- 07:30, 1 May 2011 (diff | hist) Exercise:Softmax Regression (→Step 4: Learning parameters)
- 07:30, 1 May 2011 (diff | hist) Exercise:Softmax Regression (→Step 5: Testing)
- 06:37, 1 May 2011 (diff | hist) Exercise:Softmax Regression (→Softmax regression)
- 22:07, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 1b: Check covariance)
- 21:58, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 1b: Check covariance)
- 19:55, 29 April 2011 (diff | hist) MATLAB Modules (top)
- 18:41, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 4b: Check covariance)
- 18:40, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 4b: Check covariance)
- 18:39, 29 April 2011 (diff | hist) Exercise:PCA and Whitening
- 18:38, 29 April 2011 (diff | hist) N File:Pca whitened unregularised covar.png (top)
- 18:20, 29 April 2011 (diff | hist) File:Zca whitened images.png (uploaded a new version of "File:Zca whitened images.png") (top)
- 18:20, 29 April 2011 (diff | hist) File:Raw images.png (uploaded a new version of "File:Raw images.png") (top)
- 18:20, 29 April 2011 (diff | hist) File:Pca whitened covar.png (uploaded a new version of "File:Pca whitened covar.png") (top)
- 18:20, 29 April 2011 (diff | hist) File:Pca images 90.png (uploaded a new version of "File:Pca images 90.png") (top)
- 18:19, 29 April 2011 (diff | hist) File:Pca images.png (uploaded a new version of "File:Pca images.png") (top)
- 08:10, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 0a: Load data)
- 08:07, 29 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 0a: Load data)
- 08:06, 29 April 2011 (diff | hist) File:Zca whitened images.png (uploaded a new version of "File:Zca whitened images.png")
- 08:05, 29 April 2011 (diff | hist) File:Pca whitened covar.png (uploaded a new version of "File:Pca whitened covar.png")
- 08:05, 29 April 2011 (diff | hist) File:Raw images.png (uploaded a new version of "File:Raw images.png")
- 08:05, 29 April 2011 (diff | hist) N File:Pca images 90.png
- 08:05, 29 April 2011 (diff | hist) File:Pca images.png (uploaded a new version of "File:Pca images.png")
- 08:04, 29 April 2011 (diff | hist) File:Pca covar.png (uploaded a new version of "File:Pca covar.png") (top)
- 08:04, 29 April 2011 (diff | hist) Exercise:PCA and Whitening
- 01:14, 25 April 2011 (diff | hist) Exercise:Softmax Regression (→Step 4: Learning parameters)
- 01:08, 25 April 2011 (diff | hist) Exercise:Softmax Regression (→Step 5: Cross-validation)
- 01:08, 25 April 2011 (diff | hist) Exercise:Softmax Regression (→Step 5: Cross-validation)
- 01:07, 25 April 2011 (diff | hist) Exercise:Softmax Regression (→Step 4: Learning parameters)
- 01:07, 25 April 2011 (diff | hist) Exercise:Softmax Regression (→Step 4: Learning parameters)
- 01:31, 23 April 2011 (diff | hist) m Backpropagation Algorithm (formatting)
- 02:53, 21 April 2011 (diff | hist) Deep Networks: Overview (→Expressiveness and compactness)
- 02:53, 21 April 2011 (diff | hist) Deep Networks: Overview
- 02:47, 21 April 2011 (diff | hist) N Deep Networks: Overview (Created page with "== What is a deep architecture? == In brief, a deep architecture is a multi-layer architecture comprising non-linear functions at each level. (To see why the functions must be ...")
- 05:45, 17 April 2011 (diff | hist) Exercise:Softmax Regression
- 05:44, 17 April 2011 (diff | hist) Exercise:PCA and Whitening (→PCA, PCA whitening and ZCA implementation)
- 05:44, 17 April 2011 (diff | hist) Exercise:PCA and Whitening (→PCA, PCA whitening and ZCA implementation)
- 05:38, 13 April 2011 (diff | hist) Softmax Regression
- 05:05, 13 April 2011 (diff | hist) Exercise:Softmax Regression
- 04:48, 13 April 2011 (diff | hist) Using the MNIST Dataset (→Usage)
- 04:48, 13 April 2011 (diff | hist) Using the MNIST Dataset
- 07:12, 11 April 2011 (diff | hist) Exercise:Softmax Regression
- 04:17, 11 April 2011 (diff | hist) Exercise:Softmax Regression
- 04:11, 11 April 2011 (diff | hist) Exercise:Softmax Regression
- 04:08, 11 April 2011 (diff | hist) Exercise:Softmax Regression (→Softmax regression)
- 04:08, 11 April 2011 (diff | hist) Exercise:Softmax Regression (→Softmax regression)
- 01:06, 11 April 2011 (diff | hist) N Exercise:Softmax Regression (Created page with "== Softmax regression == In this problem set, you will use softmax regression on pixels to classify MNIST images. However, since you will also be using softmax regression fo...")
- 00:04, 11 April 2011 (diff | hist) UFLDL Tutorial
- 00:00, 11 April 2011 (diff | hist) Exercise:Self-Taught Learning
- 00:00, 11 April 2011 (diff | hist) Exercise:PCA and Whitening
- 00:00, 11 April 2011 (diff | hist) Exercise:PCA in 2D
- 23:59, 10 April 2011 (diff | hist) Exercise:PCA in 2D
- 23:59, 10 April 2011 (diff | hist) Exercise:Vectorization
- 23:57, 10 April 2011 (diff | hist) Exercise:Sparse Autoencoder
- 23:57, 10 April 2011 (diff | hist) Exercise: PCA in 2D (Replaced content with "This page can be deleted. Category:Delete") (top)
- 23:56, 10 April 2011 (diff | hist) UFLDL Tutorial
- 23:55, 10 April 2011 (diff | hist) Exercise:PCA in 2D
- 23:54, 10 April 2011 (diff | hist) UFLDL Tutorial
- 23:52, 10 April 2011 (diff | hist) Softmax Regression (→Mathematical form)
- 23:49, 10 April 2011 (diff | hist) Softmax Regression (→Mathematical form)
- 23:38, 10 April 2011 (diff | hist) UFLDL Tutorial
- 23:37, 10 April 2011 (diff | hist) N Softmax regression (moved Softmax regression to Softmax Regression) (top)
- 23:37, 10 April 2011 (diff | hist) m Softmax Regression (moved Softmax regression to Softmax Regression)
- 23:36, 10 April 2011 (diff | hist) Softmax Regression (→Parameters)
- 23:35, 10 April 2011 (diff | hist) Softmax Regression
- 23:03, 10 April 2011 (diff | hist) Softmax Regression (→Mathematical background)
- 22:52, 10 April 2011 (diff | hist) Softmax Regression
- 21:49, 10 April 2011 (diff | hist) N Softmax Regression (Created page with "== Introduction == '''Softmax regression''', also known as '''multinomial logistic regression''', is a generalisation of logistic regression to problems where there are more tha...")
- 20:56, 10 April 2011 (diff | hist) UFLDL Tutorial
- 06:00, 7 April 2011 (diff | hist) Exercise:Vectorization
- 05:57, 7 April 2011 (diff | hist) N File:MNIST-false-bad-2.png (top)
- 05:39, 7 April 2011 (diff | hist) Exercise:Vectorization (→MNIST)
- 05:39, 7 April 2011 (diff | hist) Exercise:Vectorization (→Natural images)
- 05:38, 7 April 2011 (diff | hist) Exercise:Vectorization (→MNIST)
- 05:37, 7 April 2011 (diff | hist) File:MNIST-false-bad-1.png (uploaded a new version of "File:MNIST-false-bad-1.png") (top)
- 05:35, 7 April 2011 (diff | hist) N File:MNIST-false-bad-1.png
- 05:35, 7 April 2011 (diff | hist) File:MNIST-false-0.1-3e-3-3-linear.png (uploaded a new version of "File:MNIST-false-0.1-3e-3-3-linear.png") (top)
- 05:34, 7 April 2011 (diff | hist) Exercise:Vectorization
- 05:29, 7 April 2011 (diff | hist) Exercise:Vectorization
- 05:26, 7 April 2011 (diff | hist) N File:MNIST-false-0.1-3e-3-3-linear.png (MNIST sigmoid decoder sparsityParam = 0.1 lambda = 3e-3 beta = 3 normalizeData = linear scaling (i.e. patches = patches / 255))
- 04:01, 6 April 2011 (diff | hist) Self-Taught Learning (→Working with large images)
- 03:55, 6 April 2011 (diff | hist) N Self-Taught Learning (Created page with "== Self-taught learning and Unsupervised feature learning == In machine learning, sometimes it's not who has the best algorithm that wins. It's who has the most data. While o...")
- 03:30, 6 April 2011 (diff | hist) Implementing PCA/Whitening
- 03:28, 6 April 2011 (diff | hist) m Implementing PCA/Whitening (sigma bug)
- 03:25, 6 April 2011 (diff | hist) m PCA (sigma bug - should be 1/m xx^T, not just xx^T)
- 04:42, 3 April 2011 (diff | hist) N File:Pca whitened covar.png
- 04:42, 3 April 2011 (diff | hist) Exercise:PCA and Whitening
- 04:42, 3 April 2011 (diff | hist) N Template:If (Created page with "{{{{{subst|}}}p{{{{{subst|}}}#ifeq:{{{1}}}|eq|1|2}}|{{{{{subst|}}}p{{{{{subst|}}}#ifeq:{{{2}}}|{{{3}}}|1|2}}|{{{4|}}}|{{{5|}}}}}|{{{{{subst|}}}p{{{{{subst|}}}#if{{{1}}}:{{{2}}}|1...") (top)
- 04:40, 3 April 2011 (diff | hist) N Template:Max/27 (Created page with "{{Max|<!-- -->{{#if:{{{1|}}}{{{2|}}}{{{3|}}}{{{4|}}}{{{5|}}}{{{6|}}}{{{7|}}}{{{8|}}}{{{9|}}}|<!-- -->{{Max|<!-- -->{{#if:{{{1|}}}{{{2|}}}{{{3|}}}|<!-- -->{{Max|<!-- -->{{#if:{{{1...") (top)
- 04:39, 3 April 2011 (diff | hist) Nm Template:! (Created page with "|<noinclude>{{template doc}}</noinclude>") (top)
- 04:38, 3 April 2011 (diff | hist) N Template:Multiple image/numImgs (Created page with "{{#if:{{{10|}}} | 10 |{{#if:{{{9|}}} | 9 |{{#if:{{{8|}}} | 8 |{{#if:{{{7|}}} | 7 |{{#if:{{{6|}}} | 6 |{{#if:{{{5|}}} | 5 ...") (top)
- 04:17, 3 April 2011 (diff | hist) File:Zca whitened images.png (uploaded a new version of "File:Zca whitened images.png")
- 04:15, 3 April 2011 (diff | hist) File:Raw images.png (uploaded a new version of "File:Raw images.png")
- 04:15, 3 April 2011 (diff | hist) File:Pca images 50.png (uploaded a new version of "File:Pca images 50.png") (top)
- 04:14, 3 April 2011 (diff | hist) File:Pca images.png (uploaded a new version of "File:Pca images.png")
- 04:14, 3 April 2011 (diff | hist) Exercise:PCA and Whitening
- 04:06, 3 April 2011 (diff | hist) N File:Zca whitened images.png
- 04:05, 3 April 2011 (diff | hist) N File:Zca whitened covar.png (top)
- 04:05, 3 April 2011 (diff | hist) N File:Raw images.png
- 04:05, 3 April 2011 (diff | hist) N File:Pca images 50.png
- 04:05, 3 April 2011 (diff | hist) N File:Pca images.png
- 04:04, 3 April 2011 (diff | hist) N File:Pca covar.png
- 04:03, 3 April 2011 (diff | hist) Exercise:PCA and Whitening (→Step 4b: Check covariance)
- 04:02, 3 April 2011 (diff | hist) N Exercise:PCA and Whitening (Initial port from MATLAB exercise comments)
- 17:20, 31 March 2011 (diff | hist) Using the MNIST Dataset (→Introduction)
- 23:50, 30 March 2011 (diff | hist) Using the MNIST Dataset
- 23:49, 30 March 2011 (diff | hist) N Using the MNIST Dataset (Created page with "=== Introduction === The MNIST dataset is a dataset of handwritten digits, comprising 60 000 training exmaples and 10 000 test examples. The dataset can be downloaded from http:...")
- 23:21, 30 March 2011 (diff | hist) UFLDL Tutorial
(Latest | Earliest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)