Sigmoid

Pronunciation: /ˈsɪɡmɔɪd/

Definitions of sigmoid

noun a curve shaped like the letter S

Example Sentences

A1 A sigmoid is a curve that looks like an 'S' shape.

A2 In mathematics, a sigmoid is a function that maps any real value to a value between 0 and 1.

B1 The sigmoid function is commonly used in machine learning for binary classification problems.

B2 Neural networks often use the sigmoid activation function in their hidden layers.

C1 Understanding the properties of the sigmoid function is crucial for optimizing deep learning models.

C2 Researchers are exploring new variations of the sigmoid function to improve the performance of artificial neural networks.

adjective having a sigmoid shape or curve

Example Sentences

A1 The sigmoid shape of the graph indicates a gradual increase.

A2 The sigmoid curve on the chart shows a steady growth in sales.

B1 The sigmoid pattern of the data suggests a leveling off in the trend.

B2 The sigmoid function is commonly used in mathematical modeling.

C1 The researcher analyzed the data using a sigmoid regression model.

C2 The team used a sigmoidal approach to predict future market trends.

Examples of sigmoid in a Sentence

formal The sigmoid function is commonly used in machine learning for binary classification tasks.

informal The sigmoid curve on the graph shows how the data is distributed.

slang That sigmoid thingy is like a squiggly line that helps us understand the data better.

figurative Her mood followed a sigmoid pattern, starting low, rising to a peak, and then gradually falling again.

Grammatical Forms of sigmoid

• plural: sigmoids
• comparative: more sigmoid
• superlative: most sigmoid
• present tense: sigs
• future tense: will sigmoid
• perfect tense: have sigmoided
• continuous tense: are sigmoiding
• singular: sigmoid
• positive degree: sigmoid
• infinitive: to sigmoid
• gerund: sigmoiding
• participle: sigmoided

Origin and Evolution of sigmoid

First Known Use: 1601 year

Language of Origin: Greek

Story behind the word: The word 'sigmoid' originated from the Greek word 'sigma', which refers to the letter 'S', and the word 'eidos', meaning 'form' or 'shape'. It was used to describe the shape of the sigmoid colon in the human body.

Evolution of the word: Over time, the word 'sigmoid' has come to be used in various fields such as mathematics, biology, and medicine to describe objects or functions that exhibit an 'S' shape or curve. The term has evolved to have a broader application beyond just the sigmoid colon.