advanced machine learning coursera

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Coursera Machine Learning second week quiz answer Octave/matlab Tutorial

would the Vectorize this code to run without all for loops? Check all the Apply. A: v = A * x; B: v = Ax; C: V =x ' * A; D: v = SUM (A * x); Answer: A. v = a * x; v = ax:undefined function or variable ' Ax '. 4.Say you has a vectors v and Wwith 7 elements (i.e., they has dimensions 7x1). Consider the following code: z = 0; For i = 1:7 Z = z + V (i) * W (i) End Which of the following vectorizations correctly compute Z? Check all the Apply.

[Original] Andrew Ng chose to fill in the blanks in Coursera for Stanford machine learning.

Week 2 gradient descent for multiple variables [1] multi-variable linear model cost function Answer: AB [2] feature scaling feature Scaling Answer: d 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: 【] Answer: [Original] Andrew Ng chose to fill in the blanks in Coursera for Stanford

Coursera Machine Learning Study notes (vii)

-Gradient descent for linear regressionHere we apply the gradient descent algorithm to the linear regression model, we first review the gradient descent algorithm and the linear regression model:We then expand the slope of the gradient descent algorithm to the partial derivative:In most cases, the linear regression model cost function is shaped like a convex body, so the local minimum value is equivalent to the global minimum:The following is the entire convergence and parameter determination pr

Coursera-machine Learning, Stanford:week 11

Overview photo OCR problem Description and Pipeline sliding Windows getting Lots of data and Artificial data ceiling analysis:what part of the Pipeline to work on Next Review Lecture Slides Quiz:Application:Photo OCR Conclusion Summary and Thank You Log 4/20/2017:1.1, 1.2; Note Ocr? ... Coursera-

Coursera Machine Learning 5th Chapter Neural Networks:learning Study notes

)/∂ (θ (1) JK) is tested for gradients. After the partial derivative code does not have a problem, close the Gradient check section code.6. Use gradient descent or other advanced algorithms to perform reverse propagation to find the θ values for minimizing j (θ).This paper describes the gradient descent algorithm in neural networks: starting from the random initial point, descending step by step, until the local optimal value is obtained. Algorithms s

Coursera Machine Learning Study notes (12)

-Normal equationSo far, the gradient descent algorithm has been used in linear regression problems, but for some linear regression problems, the normal equation method is a better solution.The normal equation is solved by solving the following equations to find the parameters that make the cost function least:Assuming our training set feature matrix is x, our training set results are vector y, then the normal equation is used to solve the vector:The following table shows the data as an example:T

Machine Learning Professional Advanced Course _ Machine learning

learning modeling and application (3) Advanced Research on Artificial intelligence: strengthening learning, generating confrontation network and migrating learning XX Technology Co., Ltd. | Administrative Service Department (XX group level) | Data Modeling Specialist (machine

Machine learning Algorithm and Python Practice (c) Advanced support vector Machine (SVM)

Machine learning Algorithm and Python Practice (c) Advanced support vector Machine (SVM)Machine learning Algorithm and Python Practice (c) Advanced support vector

Notes | Wunda Coursera Deep Learning Study notes

Programmers who have turned to AI have followed this number ☝☝☝ Author: Lisa Song Microsoft Headquarters Cloud Intelligence Advanced data scientist, now lives in Seattle. With years of experience in machine learning and deep learning, we are familiar with the requirements analysis, architecture design, algorithmic d

Deep learning of wheat-machine learning Algorithm Advanced Step

Deep learning of wheat-machine learning Algorithm Advanced StepEssay background: In a lot of times, many of the early friends will ask me: I am from other languages transferred to the development of the program, there are some basic information to learn from us, your frame feel too big, I hope to have a gradual tutoria

What are some of the learning Python, data analysis courses on Coursera?

! I've been on this course 3 years ago, and it's been a long time ... Before going to bed to see this question, the day before yesterday wrote an article about learning Python in Coursera, just right question, so excerpt part, hope to be helpful:-) Let's talk about the process of learning Python in Coursera (and reco

What courses are worth learning about Python and data analysis on coursera?

friends leave a message saying they are already charged. Let's go to the official website and check it out! I have taken this course three years ago. It takes a long time ...... I saw this problem before I went to bed. I wrote an article about learning python in coursera the day before yesterday, which is just the right question. So I want to extract some of it and hope it will help me :-) Next, let's ta

"In-depth understanding of Java Virtual machines: JVM advanced features and best practices" Learning notes Ⅲ virtual machine execution Subsystem

the parent delegation model, where a classloader receives a request for class loading, is first delegated to the parent ClassLoader to complete, all load requests are routed to the top-level startup ClassLoader, and if the parent ClassLoader feedback fails to complete the load request, it continues to be loaded by the subclass.The benefit of this load is that the Java class has a hierarchical relationship with precedence over its classloader, avoiding the occurrence of a class loaded multiple t

Cs281:advanced Machine Learning Section II Information Theory information theory

Entropy of information theoryIf the discrete random variable has a P (X) distribution, then X carries the entropy (amount of information):The reason for using log2 as a base is to make it easy to measure how many bits the information can be represented by. Because 1 bit is not 0 or 1. It can be deduced from the above formula that when the probability of K states is the same, the greater the entropy of the random variable x carries. As indicated by the Bernoulli distribution the entropy carries t

Machine learning Week 3-advanced-optimization

, which isparameterized by its second argument C. Here Myfun isA MATLAB file function such asfunction [F,g]=Myfun (x,c) F= C*x (1)^2+2*x (1) *x (2) + x (2)^2; %function G= [2*c*x (1) +2*x (2) %Gradient2*x (1) +2*x (2)]; To optimize fora specific value of C, first assign the value to C. Then create a one-argument anonymous function, that captures, the value of C and calls Myfun with the arguments. Finally, pass. Thisanonymous function to Fminunc:c=3; %define parameter first options=

Operating system Learning notes----process/threading Model----Coursera Course notes

Operating system Learning notes----process/threading Model----Coursera Course note process/threading model 0. Overview 0.1 Process ModelMulti-Channel program designConcept of process, Process control blockProcess status and transitions, process queuesProcess Control----process creation, revocation, blocking, wake-up 、...0.2 threading ModelWhy threading is introducedThe composition of the threadImplementatio

cs281:advanced Machine Learning second section probability theory probability theory

some examples of beta functions:It is of the following nature:Pareto DistributionThe Pareto principle must have heard it, is the famous long tail theory, Pareto distribution expression is as follows:Here are some examples: the left image shows the Pareto distribution under different parameter configurations.Some of the properties are as follows:ReferenceprmlmlapCopyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. cs281:

Machine Learning deep learning natural Language processing learning

Original address: http://www.cnblogs.com/cyruszhu/p/5496913.htmlDo not use for commercial use without permission! For related requests, please contact the author: [Email protected]Reproduced please attach the original link, thank you.1 BasicsL Andrew NG's machine learning video.Connection: homepage, material.L 2.2008-year Andrew Ng CS229 machine LearningOf course

The best introductory Learning Resource for machine learning

build a model from a browser. Pick out a platform and use it when you actually learn machine learning. Do not talk on paper, to practice!Video Courses Videos CourseMany people start to learn from the machine through video resources. I saw a lot of video resources related to machine

Machine learning Techniques--1–2 speaking. Linear Support Vector Machine

The topic of machine learning techniques under this column (machine learning) is a personal learning experience and notes on the Machine Learning Techniques (2015) of

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