Octave for Data Scientists

Name: Octave for Data Scientists
Rating: 3.4 (24 reviews)

To understand the basics of Octave Neural Network such as running octave and getting started with basic commands, statem

Created byeduCode Forum

Last updated 3/2019

English

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What you'll learn

With this course you shall be learning Octave in a very simple yet effective manner wherein we actually code using examples and programmed in Linux ( Fedora 16) operating system. Below we have outlined all that you will learn through this course.
Learn about the basic commands, various data types, variables (storing variables) and operators.
Learn about if statement, switch statement, while statement, do while statement, do until statement, for statement and break/continue statement.
Understand defining a function, multiple return values and returning from a function.

Course content

2 sections • 57 lectures • 6h 25m total length

Introduction3:03
Learn how GNU Octave enables numerical computing across platforms, featuring open-source, GPL licensed interactive syntax similar to MATLAB for solving linear and nonlinear equations, differential equations, and neural networks.
Installation2:24
Learn to install GNU Octave on Windows and Linux from GPL-licensed packages, download the 4.0.0 installer, and run numerical computations across platforms.
Basic Operations5:25
Discover basic Octave operations for data science, including declaring variables, creating and printing strings and matrices (such as a three-by-three matrix), generating random matrices, and performing matrix multiplication and transpose.
Variables6:53
Learn octave data types, including strings and numeric objects, and how to declare data structures, matrices, and structures, plus variable naming rules and global variables in functions.
Variables Continued2:35
Explore global variables in Octave by declaring a global x and using it inside a function without parameters to see how x propagates across calls.
Operators5:09
Octave for data scientists introduces arithmetic, comparison, and boolean operators, covering addition, subtraction, multiplication, division, the power operator, element-wise dot multiplication, right division, exponentiation, and identity-matrix examples.
Comparison Operators6:39
Explore comparison operators in Octave, including less than, less than or equal, equal to, greater than or equal, greater than, and not equal, with true or false outputs.
Boolean Operators7:56
Explore boolean operators such as and, or, and not, and learn how true and false values affect expressions; master assignment operators, and increment and decrement operators, and operator precedence.
If and switch statement4:36
Explore how octave uses if and switch statements to evaluate conditions, check whether a number is even using the remainder, print results, and structure multiple branches with case labels.
Looping7:08
Explore looping concepts in octave, including while, do-until, and for loops, and learn to generate output such as the fibonacci sequence.
For Loop6:29
Explore for loops in octave with simple syntax, condition checks, and real examples like Fibonacci sequences, prime checks, and breaking or continuing loops, plus vector printing and random numbers.
Usage of Continue Statement2:01
Explore using a for loop in octave with the continue statement to skip odd numbers and print only even values from a vector, while rand generates random values.
Introduction-Functions1:40
Explore how Octave uses functions to simplify numerical and complex calculations, define functions with arguments, and return multiple values using a matrix creation example.
Functions-Example5:19
Define and call functions in Octave to print messages and return values with optional arguments. The lecture uses an example to print good morning and compute a vector average.
Calculations with Functions9:07
Explore defining and calling functions in Octave, compute a vector average (sum divided by length), and implement input validation with error messages to handle non-vector inputs, missing arguments, and margins.
Returning From a Function11:47
Explore returning from functions in Octave, including multi-value returns via a return list, using return and written statements, with examples of max value computation and vector traversal.
Example with Trignometric Function6:22
Learn how to use trig functions in Octave, convert between radians and degrees, and compute sine values for scalars and vectors with clear examples.
Matrix Calculation with Functions11:20
Master octave’s matrix functions to create and manipulate matrices, using identity, zeros, ones, diag, and size, and perform transpose, inverse, determinant, and rank computations.
Arrays and Vectors6:54
Explore arrays and vectors in Octave, where a vector is a simple one-column matrix. Define vectors with square brackets or comma separated values, use semicolons for columns, and generate sequences with colon notation like 2:6 or 2:3:6.
Calculations with Functions Using Vectors10:12
Learn how to create and manipulate vectors in octave, use 1-based indexing, range generation to build sequences, perform scalar and element-wise operations, and apply functions like sine to vectors.

Introduction to Octave Advanced Options5:56
Explore Octave as a Matlab alternative for numerical analysis, covering basic concepts, strings, functions, plotting, scripting, trigonometry, image and audio processing, and data containers.
Introduction for Matrices7:03
Explore matrices in Octave for data scientists by creating, adding, and multiplying matrices, performing transpose, and examining determinant-like functionality with AI to form diagonal matrices.
Various Matries Manipulation10:34
Explore octave matrix operations for data mining, including any, all, and find non-zero element indices, and learn to flip, rotate, and concatenate matrices to prepare data for analysis.
Operations on Complex Variables2:11
Learn the basic arithmetic of complex numbers, including addition, subtraction, multiplication, and division, with examples using z and w to illustrate these operations.
Mathematical Functions9:19
Explore Octave's mathematical functions, including cosine and exponential operations, with scalar and vector examples (pi values, range, and polyval for polynomial evaluation), plus vectorization and transpose.
Concept of Helper Functions9:55
Explore helper functions for matrix manipulation, including generating random numbers with uniform and normal, gamma, exponential, and Poisson distributions, and using min, max, sort, and any and all find utilities.
Understanding Floor Function5:46
This lecture explains how Octave's floor, ceil, round, and fix functions transform numbers, including negative inputs, and demonstrates sums, products, and absolute values, with brief notes on complex numbers.
Plotting a Graph in Octave5:39
Learn to plot a simple two-dimensional graph in Octave using the plot function with x and f data, then refine axis limits, labels, line width, and styling with set.
High Level Plotting5:14
Master high level plotting in Octave by creating two- and three-dimensional plots with the plot function, setting x and y labels, data, and colors.
Plot YY Function7:52
Learn to create dual-axis plots in octave, including two independent y and x axes, with logarithmic and semi-log scales, and generate histograms and bar graphs with labeled axes and titles.
Functions of Bar Graph4:45
Learn to create bar graphs from x and y data with the bar function, using edge, base value, face color, and color maps; also cover horizontal bars and stem graphs.
Parameter of Stem Graph9:16
Learn to plot stem graphs in octave, using x and y values, matrices, and color customization, with base value settings and comparisons to scatter plots.
Matrix Manipulation8:03
Learn to plot matrix data with plot matrix, visualize x and y coordinates, create scatter plots from matrix columns, and generate bar graphs and angular histograms for data comparison.
Contour Graph with Example7:19
Explore creating contour graphs from three-dimensional data in Octave, using x, y, z to generate two-dimensional contour plots, customize ranges and line styles, and visualize iso lines.
Creating Error Graph7:38
Create an error graph in Octave for data scientists by plotting sine x with error bars, configuring axes, and exploring semi log, log, log-log, and polar plots.
Creating Polar Function10:12
Explore how Octave plots data in polar coordinates using a polar function, visualize with pie charts, and create vector fields with compass and feather plots for GIS applications.
Concept of Feather Graph5:11
Explore the feather graph that plots the components of a vector field from equidistant x-axis points, using z = u + iv to show real and imaginary parts.
Two Dimensional Functional11:07
Explore two-dimensional function plotting in Octave using function handles or strings, set x and y limits with the F block, and visualize trig, polar coordinates, and geometric shapes.
Dimensional Geometric Shapes5:02
Explore constructing a two-dimensional rectangular patch in octave using position and the go parameter to define sides, including scalar and vector forms, and extend to three-dimensional plots.
Three Dimensional Plots7:59
Learn to create three dimensional plots in Octave using mesh grid, define x y z coordinates, and label, title, and explore a 3d helix example.
Making a Surface Plot11:24
Plot a 3d surface by creating a mesh grid from x and y, computing z = x^2 - y^2, and visualizing the surface with adjustable line width and labeled axes.
Functions of Ez Plot311:00
Master creating three-dimensional function plots in octave with ez plot3, including mesh plots and surface plots; define f(x,y) with polynomials and trigonometric components and animate 3D visuals.
Understanding Geometric Shapes6:10
Explore plotting cylinders, spheres, and ellipses in Octave, using cylinder and ellipse structures to create 3d figures with axis equal for accurate visualization.
Displaying Multiple Plots4:23
Display multiple plots in a single figure by using subplot to split into two axes, plotting sine and cosine waves.
Multiple Plot Windows6:01
Open multiple figure windows, plot sine and cosine waves across ranges, use figure(n) to manage windows, and use hold on/hold off to overlay plots.
Concept of Plot Annotations9:45
Plot a sine wave from x values, set x and y labels, add a legend, and explore annotations in octave such as text, lines, arrows, double arrows, and grid options.
Using Print Command7:49
Learn to print and save plots in Octave using the print command, including PostScript and LaTeX-enabled outputs. Build and customize a plot with inputs, axes, labels, and a standalone print.
Octave Scripts5:50
Learn to write, save, and run Octave scripts to automate command sequences, using .m files and the Octave prompt, and load variables back to the workspace.
Input and Displaying Input7:32
Learn to read and display user input in Octave, using the input function with prompts, determine string versus numeric types, and print results while debugging type errors.
Interacting with User7:39
Write Octave scripts that interact with the user, obtain matrix dimensions, create a random matrix, and display its minimum value.
Plotting Graph Using Script3:08
Plot a sine wave in octave via a script, generating random values, computing sine of x, and setting the title and axis labels while running from the command prompt.
Implementation of Statements5:15
Explore how to implement statements in Octave for data scientists, including if, for, and switch constructs, and how to use prime number checks and display logic.
For a Looping Structure7:39
Explore for looping structures in Octave for data scientists, using remainder checks to identify primes, with break and continue statements, end for loops, and script-driven examples.
Creating Looping Structure6:02
Create a looping structure in Octave to test whether a given number is prime, using input, for loops, if statements, and display, while debugging syntax and indentation.
Understanding Exception Handling7:30
Explore exception handling in Octave through dry catch and unwind protect constructs, including try catch blocks, cleanup routines, and value preservation in x during errors.
Creating Octave Function4:28
Learn to write octave functions, distinguish scripts from functions, and break complex problems into modular, reusable code using defined function syntax and max/min examples.
Implementing with Octave Function4:32
Implement an Octave function with min, max, and mean for two parameters, including informative errors for incorrect inputs or outputs, and explore Octave makefiles to compile legacy code.

Requirements

Basic Computer Knowledge
Passion to learn
Basic terminologies in coding
Internet and PC

Description

Basics of Octave Neural Network:

Working with neural networks can seem to be a scary task, even if you have some programming experience. There are many trainings and a lot of examples of what the neural network is and what it does. Many a times it is not explained the way it should be and makes it a little difficult to understand what’s going on, not to mention how to implement it in actual code.

With this course you shall be learning Octave in a very simple yet effective manner wherein we actually code using examples and programmed in Linux ( Fedora 16) operating system.
Below we have outlined all that you will learn through this course.

Section 1: Introduction- In this sections we are getting started with Octave wherein we would understand the basics, environment setup, running octave and getting started with basic commands.

Section 2: Basics- Here we start with the first step where we will learn about the basic commands, various data types, variables (storing variables) and operators.

Section 3: Statements- In this section we will cover if statement, switch statement, while statement, do while statement, do until statement, for statement and break/continue statement.

Section 4: Functions- here we are going to understand defining a function, multiple return values and returning from a function.

Advanced Concepts of Octave Neural Network:

1. Plotting
2. Matrix Manipulation
3. Arithmetic Operations like Trignometry
4. Set Operations
5. Image Processing
6. Audio Processing
7. Data Containers

Who this course is for:

Students
Professionals
People wanting to use Octave
System Administrators
School I.T. Professors

Octave for Data Scientists

What you'll learn

Explore related topics

Course content

Octave Neural Network for Beginners20 lectures • 2hr 3min

Octave Neural Network - Advanced37 lectures • 4hr 22min

Requirements

Description

Who this course is for: