Data World
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Data World
Excel formulas
Function What it Counts Syntax Example Range Output Example COUNT Only numeric data =COUNT(range) A1(e.g. 1, "Text", 3, "", 5) =COUNT(A1:A5) → 3 (counts 1,…
excel
Mar 19, 2026 1 min read
Data World
Tensors
A Tensor is a N-dimensional Matrix : A Scalar is a 0-dimensional tensor A Vector is a 1-dimensional tensor A Matrix is a 2-dimensional tensor A …
Tensors
Mar 19, 2026 1 min read
Data World
Vectors
Definition A vector is a quantity that has both magnitude and direction . Vectors can be represented in different ways, such as geometrically (with arrows)…
Vectors
Mar 19, 2026 1 min read
Data World
Matrices
Definition A matrix is a rectangular array of numbers , symbols, or expressions arranged in rows and columns. Types of Matrices Square Matrix : A matrix wi…
linear-algebra machine-learning math
Mar 19, 2026 2 min read