Brian McLogan
How to find the inverse of a squared function
π Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...
Brian McLogan
Graphing logarithmic equations
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Graphing a logarithmic function and identify the domain and range
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Graphing a logarithm with horizontal and vertical shift
π Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Brian McLogan
Find the inverse of the square root function by adding a constraint
π Learn how to find the inverse of a function. The inverse of a function is a function that reverses the "effect" of the original function. One important property of the inverse of a function is that when the inverse of a function is...
Curated Video
Excel VBA Programming The Complete Guide - The Range.CurrentRegion Property
The Range.CurrentRegion property looks for the boundaries surrounding the range passed in as the argument. It returns a new Range representing the complete region surrounding the cell. In this lesson, we practice using the CurrentRegion...
Curated Video
Excel VBA Programming The Complete Guide - Iterating over a Range of Cells with For Each
The For Each construct can also be used to iterate over a range of cells. Each object iterated over will be a single cell, itself a Range object. In this lesson, we iterate over and modify the values in a single column. This clip is from...
Curated Video
Excel VBA Programming The Complete Guide - Absolute vs. Relative References I
The Macro Recorder can record with absolute or relative references. Absolute references (the default recording option) target specific cells (i.e. B1) -- the recorder is more concerned with the destination. Relative references record...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Functions - Part 2
Let's continue with the functions. This clip is from the chapter "Excel 2019 Advanced: Functions" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll explore what are functions.
Curated Video
The Complete Excel Guide: Beginners to Advanced - VLOOKUPS
The aim of this video is to explore how VLOOKUPS works. This clip is from the chapter "Excel 2019 Beginners: Advanced Formula Creation" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll explore and...
Curated Video
The Complete Excel Guide: Beginners to Advanced - Dimensional Formulas
Let's explore dimensional formulas. This clip is from the chapter "Excel 2019 Beginners: Working with Sheets" of the series "The Complete Excel Guide: Beginners to Advanced".In this section, we'll start working with sheets.
Curated Video
C++ Standard Template Library in Practice - Numeric Algorithms - std::partial_sum and std::adjacent_difference
The listener is new to algorithms and does not know about the numeric algorithms. β’ Introduce the listener to the std::partial_sum and std::adjacent_difference algorithm β’ Show how it works and explain the different versions available β’...
Curated Video
C++ Standard Template Library in Practice - Max
The listener is new to algorithms and does not know about the max algorithms. β’ Introduce the listener to the std::max, and std::max_element algorithm β’ Show how it works and explain the different versions available β’ Reinforce the...
Let's Tute
Microsoft Excel Tutorial: Extracting Values
In this Microsoft Excel tutorial, we learn how to extract values using the SMALL and LARGE functions, as well as how to rank values using the RANK function and calculate percentile ranks using the PERCENTRANK function. The tutorial...
Curated Video
Data Science and Machine Learning with R - Working with Loops
This video explains working with loops. This clip is from the chapter "Intermediate R" of the series "Data Science and Machine Learning with R from A-Z Course [Updated for 2021]".This section explains intermediate R.
Curated Video
The Full Stack Web Development - Working With Lists & Hashes
Redis - The Cache Database: Working With Lists & Hashes This clip is from the chapter "Redis - The Cache Database" of the series "The Full Stack Web Development".In this section, we look into Redis β part of other essential technology...
Brian McLogan
Exam Review Understanding the cosecant graph to determine the range
π Learn the basics of graphing the secant and the cosecant graphs. Recall that the secant is the reciprocal of the cosine while the cosecant is the reciprocal of the sine. Also recall that the cosine graph is a sinusoidal graph with...
Brian McLogan
How to graph, find range, domain, vertex, and axis of symmetry from a quadratic
π Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Brian McLogan
How to find the domain and range from an absolute value graph
Learn how to identify the domain and range of functions from equations. To do this we will need to sketch the graph of the equation and then determine how low and how high the graph travels for the range and how far left and how far...
Brian McLogan
How to determine the domain and range from a function graph
Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph goes as well as how far right to...
Brian McLogan
Graph a reciprocal function and determine the limits of the vertical asymptotes
π Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Curated Video
Excel VBA Programming The Complete Guide - The Formula and FormulaR1C1 Properties
In this lesson, we introduce a basic sum example to show how R1C1 notation can be helpful when duplicating formulas across multiple columns. This clip is from the chapter "Range References" of the series "Excel VBA ProgrammingΓ’β¬βThe...
Curated Video
Excel VBA Programming The Complete Guide - The ElseIf and Else Statements
Multiple pieces of conditional logic can be chained together with the If, ElseIf and Else keywords. In this lesson, we write a procedure that takes 3 possible paths of execution. This clip is from the chapter "Conditionals" of the series...
Brian McLogan
What Does the Inverse Graph of Sine Look Like
π Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...