THE DNA OF YOUR WRITING

Can the students just use 'on-line essay services' and get high grades?

Can anyone just copy a 'project' and submit?
Today, mostly digital submission is advised. We have lot of digital tools to find cheating and plagiarized articles.
Each person has their own unique vocabulary. It may be rich or limited. Some people write in short sentences, some others prefer long sentences having many clauses. Even different people use punctuation marks differently, that means, everybody has unique style of writing. The style of writing can be analyzed digitally, and cheating can be exposed.

Some people use some phrases often. Examples: one of the most, let us assume, ripple of laughter ran around the table. I found myself shaking hands with .... etc. A digital tool called 'fingerprint' finds percentage of such phrases appearing in a passage and match it with percentage of other authors. Thereby, it detects plagiarism.
There is another statistical tool called 'stylometry'. It matches the writing styles of authors. For example, a student's exam answer script and assignment script can be cross matched and verified by stylometry. Suppose a student use 50 words often. The frequency of that 50 words appearing in each chunk of the document can be calculated and cross-matched. Hence cheating and copying can also be detected in this way.

     Online plagiarism checker is available. You can insert any piece of text and check for cheating. The grammarly.com website says that it compares the inserted text to over 16 million web pages and academic papers stored in ProQuest's databases.
     Our writing has DNA which can be extracted by software. Hence, the original author can easily be found.
    Who wrote the quote?
"If you prick us, do we not bleed?
If you tickle us, do we not laugh?
If you poison us, do we not die?
And if you wrong us, shall we not revenge?”

No one can imitate Shakespeare.
Rich vocabulary may be associated with high literary quality, that is not always the case. Ernest Hemingway used a small number of words and won the Noble prize for literature in 1954.
Be simple, be original, Be a winner.

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LISSAJOUS FIGURES

Definition: "When a particle is subjected to two sine wave motion or two oscillatory motion at right angles, the particle describes lissajous figures". We know sine wave motion and circular motion is basically same. Hence we draw two circles A and B perpendicular to each other. The circle B rotates twice faster than circle A. That is, frequency of circle B is two times than that of A. A particle at the intersection of two circles is subjected to two sine wave motion A and B at 90 degree simultaneously. The particle will describe figures depending on the frequency and phase of A and B . In our case, the ratio of frequency is 1:2 and the two waves are in phase. To draw lissajous figures : A moving point in both the circles are chosen. Here we should remember; during the time taken by the circle A to complete one rotation, circle B completes two. Hence the points are marked on the circles according to their speed. Then straight lines

THE PARABOLA

A jet of water shooting from a hose pipe will follow a parabolic path. What is the so special about parabola. Y= x^2 Draw a graph for the above equation. It will result in a parabola. This parabola is also called unit parabola. Any equation involving square will yield a parabola. Example: Y = 2x^2 +3x+3 (also called quadratic equation) X= 2 and -2, both satisfies the equation 4 = X^2. Parabolic equations always have two solutions. Any motion taking place freely under gravity follows parabolic path. Examples: An object dropped from a moving train, A bomb dropped from flying plane, A ball kicked upwards. If a beam of light rays fall on the parabolic shaped mirror, they will be reflected and brought to focus on a point. This fact is made use of in Dish Antenna, Telescope mirrors, etc. Inverted parabola shape is used in the construction of buildings and bridges. Because the shape is able to bear more weight. A plane

CASINO'S GAME

Let us find out how the casino survives with mathematics. Say, your friend invite you for a game of dice. You must bet (wager) 2 dollars. If you roll 'six' you will get back 8 dollars. The game will go on for 30 rounds. All sounds good. The probability of rolling 'six' is 1/6. Since the game will be played for 30 times, the 'expected win' is 30*1/6 = 5. That is, you are expected to win 5 rounds out of 30. Hence your gain will be 5 * 8 =40 dollars. ok. This also implies that you will loose 25 rounds. Hence your loss will be 25*2 =50 dollars. Your net gain will be gain-less = 40-50 = -10 dollars. For 30 rounds, the loss is -10 dollars, Hence, for one round =-10/30 = -1/3 dollars. There will be a loss of -1/3 or 0.33 dollars per round. It is not a fair game. Let us make a simple formula to calculate 'Pay out per round\. The probability for a win = p The pay-out in case of win = V No. of rounds = n The expect

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