Matrix multiplication (@)
Also written: @, @ operator
The Python `@` operator, which multiplies matrices or vectors. With a vector on each side, `w @ C @ w` gives a single number, the variance of a weighted total.
Also written: @, @ operator
The Python `@` operator, which multiplies matrices or vectors. With a vector on each side, `w @ C @ w` gives a single number, the variance of a weighted total.