APMonitor
Split Data for Machine Learning
Splitting data ensures that there are independent sets for training, testing, and validation. Data can be divided into sequential blocks where the order is preserved (e.g. time series) or with random selection (shuffle). Cross-validation...
Tarver Academy
How to Find the Area of a Regular Pentagon
In This Episode, Tyler Teaches Us About How to Find the Area of a Regular Pentagon
Brian McLogan
Find the unit vector with the same direction as another vector given
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Brian McLogan
Evaluate a limit at infinity with a radical in denominator
👉 We will explore how to evaluate the limit at infinity. When evaluating the limit at infinity or negative infinity we are interested to know where is the graph going right and left. This is also commonly explored as end behavior of the...
Brian McLogan
Learn how to write an algebraic proof
👉 Learn how to write an algebraic proof. Algebraic proofs are used to help students understand how to write formal proofs where we have a statement and a reason. In the case of an algebraic proof the statement will be the operations used...
Curated Video
Design test cases to verify a computer program : Testing Functions
From the section: Unit Testing with Python. In this section, you will learn about unit testing using Python. This video explains the various testing functions in Python.
Brian McLogan
How to use proportions for direct variation to solve for x
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Brian McLogan
Solving a one step equation using division
👉 Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Brian McLogan
What is the definition of a regular polygon and how do you find the interior angles
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Catalyst University
Determine the Hamiltonian for Multi-Electron Atoms #2 (Lithium)
Determine the Hamiltonian for Multi-Electron Atoms #2 (Lithium)
Brainwaves Video Anthology
Lusine Jhangiryan - Teachers Make a Difference - My Parents & Ms. Anaida Mikayelyan
Born in Armenia, Lusine originally studied Journalism while earning extra money by teaching English privately. Soon, however, this experience made her realise that she could have a positive impact on people’s lives, and teaching became...
Looking Glass Universe
Things we know about spin in quantum mechanics
I discuss a few experimental facts about some weird thing called Spin, especially the Stern Gerlach experiment.
Curated Video
Graphing Lines in Slope-Intercept Form
In this video, the teacher explains how to graph a line using the slope-intercept form of an equation. The examples provided demonstrate how to find the y-intercept and slope, and how to plot points to create the line on a graph.
Curated Video
Exploring Opposites of Fractions on a Number Line
In this lesson, students will learn about the concept of opposites of fractions by using a number line. They will understand how the numerator and denominator determine the location of a fraction on the number line and how to identify...
Curated Video
Using Exponential Equations and Natural Logarithms to Solve Real Life Problems
In this video, the teacher explains how to solve a real-life exponential equation using the natural logarithm. The example used is determining how long it will take for hot soup to cool down to a comfortable temperature. The teacher...
Curated Video
Angle Relationships in Cyclic Quadrilaterals
In this video, the teacher explains the concept of opposite angles in a cyclic quadrilateral and demonstrates how to find their sum using the central angle theorem. The central angle theorem states that the measure of an inscribed angle...
Curated Video
Multiplying a Fraction by a Mixed Number using Visual Representations
In this video, the teacher explains how to multiply a fraction by a mixed number using visual representations. The lesson begins with a review of fractions and their parts, the numerator and denominator.
Curated Video
Even or Odd: Dividing Objects into Equal Groups
In this lesson transcript, the teacher explains how to determine if a group of objects is even or odd by dividing them into two equal groups. Using examples of cubes, buttons, bows, and balls, the teacher demonstrates the concept and...
Brian McLogan
How to Add, Subtract, Multiply and Divide Fractions | 52 Examples
In this video I show you how to add, subtract, multiply and divide fractions by working through 52 different examples. I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those...
Brian McLogan
Transfering from logarithmic form to exponential
👉 Learn how to convert logarithmic equations to exponential equations. The logarithm of a number in a given base is the index/exponent to which the base must be raised to obtain the given number. In other words, log [base a] of x = m...
Brian McLogan
Sum and Difference identities of tangent using right triangles
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
Evaluating using special trig limits
👉 Learn how to evaluate the limit of a function involving trigonometric expressions. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time....
Brian McLogan
Learn how to evaluate a limit with a function as a complex fraction
Learn how to evaluate a limit with a function as a complex fraction
Brian McLogan
Solve a System of Equations Using Elimination
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...