From 25f25314f2e6e60c8fba46bbc34dafb6c6b4891c Mon Sep 17 00:00:00 2001
From: medusa <newton214@gmail.com>
Date: Thu, 28 Mar 2024 18:26:25 +0000
Subject: [PATCH] Add docs/tech_docs/python/TensorFlow.md

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+For deep learning and neural network creation, `TensorFlow` stands as a cornerstone in the Python ecosystem. Developed by the Google Brain team, TensorFlow is an open-source library that allows developers to build and train complex machine learning models with ease. Its flexible architecture permits deployment across a variety of platforms, from servers to edge devices. Here's a concise reference guide for common use cases with `TensorFlow`, especially tailored for building and training machine learning models:
+
+# `TensorFlow` Reference Guide
+
+## Installation
+```
+pip install tensorflow
+```
+Note: For GPU support, use `tensorflow-gpu` instead, and ensure you have the necessary CUDA and cuDNN libraries installed.
+
+## Basic Concepts
+
+### Importing TensorFlow
+```python
+import tensorflow as tf
+```
+
+### Creating Tensors
+```python
+# Constant tensor
+tensor = tf.constant([[1, 2], [3, 4]])
+
+# Variable tensor
+variable = tf.Variable([[1, 2], [3, 4]])
+```
+
+## Operations with Tensors
+```python
+# Addition
+result = tf.add(tensor, tensor)
+
+# Element-wise multiplication
+result = tf.multiply(tensor, tensor)
+
+# Matrix multiplication
+result = tf.matmul(tensor, tensor)
+```
+
+## Building Neural Networks
+
+### Defining a Sequential Model
+```python
+model = tf.keras.Sequential([
+    tf.keras.layers.Flatten(input_shape=(28, 28)),  # Input layer
+    tf.keras.layers.Dense(128, activation='relu'),  # Hidden layer
+    tf.keras.layers.Dropout(0.2),
+    tf.keras.layers.Dense(10)  # Output layer
+])
+```
+
+### Compiling the Model
+```python
+model.compile(optimizer='adam',
+              loss=tf.losses.SparseCategoricalCrossentropy(from_logits=True),
+              metrics=['accuracy'])
+```
+
+## Training and Evaluating Models
+
+### Training the Model
+```python
+model.fit(train_images, train_labels, epochs=5)
+```
+
+### Evaluating the Model
+```python
+model.evaluate(test_images, test_labels, verbose=2)
+```
+
+## Making Predictions
+```python
+probability_model = tf.keras.Sequential([
+    model,
+    tf.keras.layers.Softmax()
+])
+
+predictions = probability_model.predict(test_images)
+```
+
+## Saving and Loading Models
+```python
+# Save the entire model
+model.save('my_model.h5')
+
+# Load the model
+new_model = tf.keras.models.load_model('my_model.h5')
+```
+
+## Working with Data
+```python
+# Load a dataset
+mnist = tf.keras.datasets.mnist
+(train_images, train_labels), (test_images, test_labels) = mnist.load_data()
+
+# Normalize the data
+train_images, test_images = train_images / 255.0, test_images / 255.0
+```
+
+`TensorFlow` provides a comprehensive ecosystem of tools, libraries, and community resources that lets researchers push the state-of-the-art in ML, and developers easily build and deploy ML-powered applications. This guide covers the basics of TensorFlow for machine learning, including creating tensors, building and training neural network models, and saving/loading models. TensorFlow's capabilities are extensive and support a wide range of tasks beyond what's covered here, making it an essential tool for modern machine learning development.
+```
+
+TensorFlow's robust and scalable nature makes it suitable for both research and production, empowering users to transition seamlessly from concept to code, to training, to deployment.
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