Linear algebra introduction matrices as wolfram language expressions

Tutorial 5 steps, run in order in one session. Every step was executed against the engine and the output below is what it produced.

Step 1

mat = {{1, 2, 3}, {4, 5, 6}};

No output - this step sets something up for the next one.

Step 2

FullForm[mat]

Output

FullForm[{{1, 2, 3}, {4, 5, 6}}]

Step 3

Head[mat]

Output

List

Step 4

Length[mat]

Output

Step 5

mat[[ 2, 3]]

Output

Run this on Qurak All recipes

Functions used

FullForm Head Length

Related recipes

All recipes · Function reference · Use this from an MCP client