Learn how to use the logical and relational operators in GAUSS. These operators include:

• and, not, or, xor, less-than, less-than or equal, greater-than, greater-than or equal, equal

You will also see these operators used to select specific rows of a matrix with logical indexing.

Timeline

0:00 Introduction.
0:21 Logical operations.
2:15 Relational operations.
3:59 Application: Selecting rows.

The GAUSS Basics Video Series

1. GAUSS Basics: Interactive commands
2. GAUSS Basics 2: Running a program
3. GAUSS Basics 3: Introduction to matrices
4. GAUSS Basics 4: Matrix operations
5. GAUSS Basics 5: Element-by-element conformability
6. GAUSS Basics 7: Conditional Statements

Introduction

Learn how the GAUSS element-by-element conformability rules help you to create code which is compact, elegant and fast!

• Applies to functions as well as matrices and vectors.
• Avoids the need for loops in many cases.

Important concepts to help you get the most from GAUSS.

Timeline

0:55 Subtract matrices.
1:27 Mean of random variable.
2:37 Row and column vector operations.

The GAUSS Basics Video Series

1. GAUSS Basics: Interactive commands
2. GAUSS Basics 2: Running a program
3. GAUSS Basics 3: Introduction to matrices
4. GAUSS Basics 4: Matrix operations
5. GAUSS Basics 6: Logical and relational operators
6. GAUSS Basics 7: Conditional Statements

Introduction

This fourth video in our GAUSS Basics series will explain how to perform:

• Matrix operations.
• Element-by-element operations on matrices.

Timeline

0:00 Introduction.
0:14 Matrix multiplication.
1:01 Elementwise operations.

The GAUSS Basics Video Series

1. GAUSS Basics: Interactive commands
2. GAUSS Basics 2: Running a program
3. GAUSS Basics 3: Introduction to matrices
4. GAUSS Basics 5: Element-by-element conformability
5. GAUSS Basics 6: Logical and relational operators
6. GAUSS Basics 7: Conditional Statements