CASTI-89 TITANIUM · CALC89
dotP(
Returns the dot product of two vectors.
Syntax
dotP(vector1, vector2)
- Group
- Matrix
- Arguments
- Takes two vectors of the same length.
- Availability
- Included
- Menu path
- MATH ▸ Matrix ▸ CAS ▸ dotP(
Example
| Input | Result |
|---|---|
| dotP([1,2,3],[4,5,6]) | 32 |
Typing dotP([1,2,3],[4,5,6]) on the home screen and pressing ENTER returns 32.
Keystrokes on the TI-89 Titanium
2NDMATH4▶×3▼×12ENTER
The same key sequence inserts dotP( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
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- eigVl(Returns the eigenvalues of a square matrix as a list.
- FillReplaces every element of an existing list or matrix variable with the same value.
- identity(Returns the identity matrix of size n by n.
- inverse(Returns the inverse of a square matrix, the same result as raising it to the power −1.
- list▶mat(Converts a list into a matrix, filling it row by row with the given number of columns.
- LUComputes the LU decomposition of a matrix with partial pivoting and stores the lower, upper and permutation matrices in variables.
- mat▶list(Returns the entries of a matrix as one list, row by row.