91a1c1a9-6414-417a-90dd-c8147c40cc40 11 15 12 decimal

&[DATE] &[TIME] - &[FILENAME]

U a 12322 mat :

V 1221 mat :

U V * a 2 + 821 mat

V 78910111232 mat :

U 12345623 mat :

U V * 586413915422 mat

Y g h i j k L 32 mat :

X a b c d e f 23 mat :

X 1 row Y 1 col * X 1 row Y 2 col * X 2 row Y 1 col * X 2 row Y 2 col * 22 mat a g * b i * + c k * + 11 mat a h * b j * + c L * + 11 mat d g * e i * + f k * + 11 mat d h * e j * + f L * + 11 mat 22 mat

m1 m2 Mprod M m1 rows m2 cols matrix : α 1 M rows range β 1 M cols range M α β el m1 α row m2 β col * : for for M 31 line :

X a b c d e f m n o 33 mat :

Y g h i j k L 32 mat :

Export_literal X Y Mprod :

Export any/all ... literal nest
for assigning user numerical Export_literal a g * b i * + c k * + 11 mat a h * b j * + c L * + 11 mat d g * e i * + f k * + 11 mat d h * e j * + f L * + 11 mat m g * n i * + o k * + 11 mat m h * n j * + o L * + 11 mat 32 mat

X a b c A B d e f C D m n o E F p q r G H s t u I J 55 mat :

Y g h i j k L v x y z 52 mat :

X Y Mprod a g * b i * + c k * + A v * + B y * + 11 mat a h * b j * + c L * + A x * + B z * + 11 mat d g * e i * + f k * + C v * + D y * + 11 mat d h * e j * + f L * + C x * + D z * + 11 mat m g * n i * + o k * + E v * + F y * + 11 mat m h * n j * + o L * + E x * + F z * + 11 mat p g * q i * + r k * + G v * + H y * + 11 mat p h * q j * + r L * + G x * + H z * + 11 mat s g * t i * + u k * + I v * + J y * + 11 mat s h * t j * + u L * + I x * + J z * + 11 mat 52 mat

X a b c d e f g h i 33 mat :

Y j k L m n o p q r 33 mat :

Square matrices are commutative

X Y Mprod a j * b m * + c p * + 11 mat a k * b n * + c q * + 11 mat a L * b o * + c r * + 11 mat d j * e m * + f p * + 11 mat d k * e n * + f q * + 11 mat d L * e o * + f r * + 11 mat g j * h m * + i p * + 11 mat g k * h n * + i q * + 11 mat g L * h o * + i r * + 11 mat 33 mat

Y X Mprod j a * k d * + L g * + 11 mat j b * k e * + L h * + 11 mat j c * k f * + L i * + 11 mat m a * n d * + o g * + 11 mat m b * n e * + o h * + 11 mat m c * n f * + o i * + 11 mat p a * q d * + r g * + 11 mat p b * q e * + r h * + 11 mat p c * q f * + r i * + 11 mat 33 mat

Commutative style ... conventional

m1 m2 Mprod M m1 cols m2 rows matrix : α 1 M cols range β 1 M rows range M α β el m1 α col m2 β row * : for for M 12 range 12 range el 31 line :

X a b c A B d e f C D m n o E F p q r G H s t u I J 55 mat :

Y g h i j k L v x y z 52 mat :

Y X Mprod g a * g b * g c * g A * g B * i a * i b * i c * i A * i B * k a * k b * k c * k A * k B * v a * v b * v c * v A * v B * y a * y b * y c * y A * y B * 55 mat g d * g e * g f * g C * g D * i d * i e * i f * i C * i D * k d * k e * k f * k C * k D * v d * v e * v f * v C * v D * y d * y e * y f * y C * y D * 55 mat h a * h b * h c * h A * h B * j a * j b * j c * j A * j B * L a * L b * L c * L A * L B * x a * x b * x c * x A * x B * z a * z b * z c * z A * z B * 55 mat h d * h e * h f * h C * h D * j d * j e * j f * j C * j D * L d * L e * L f * L C * L D * x d * x e * x f * x C * x D * z d * z e * z f * z C * z D * 55 mat 22 mat

Commutative style ... otherwise

m1 m2 Mprod M m1 cols m2 rows matrix : α 1 M rows range β 1 M cols range M α β el m1 α col m2 β row * : for for M 31 line :

X a b c A B d e f C D m n o E F p q r G H s t u I J 55 mat :

Y g h i j k L v x y z 52 mat :

N Y X Mprod :

N g a * g b * g c * g A * g B * i a * i b * i c * i A * i B * k a * k b * k c * k A * k B * v a * v b * v c * v A * v B * y a * y b * y c * y A * y B * 55 mat g d * g e * g f * g C * g D * i d * i e * i f * i C * i D * k d * k e * k f * k C * k D * v d * v e * v f * v C * v D * y d * y e * y f * y C * y D * 55 mat g m * g n * g o * g E * g F * i m * i n * i o * i E * i F * k m * k n * k o * k E * k F * v m * v n * v o * v E * v F * y m * y n * y o * y E * y F * 55 mat h a * h b * h c * h A * h B * j a * j b * j c * j A * j B * L a * L b * L c * L A * L B * x a * x b * x c * x A * x B * z a * z b * z c * z A * z B * 55 mat h d * h e * h f * h C * h D * j d * j e * j f * j C * j D * L d * L e * L f * L C * L D * x d * x e * x f * x C * x D * z d * z e * z f * z C * z D * 55 mat h m * h n * h o * h E * h F * j m * j n * j o * j E * j F * L m * L n * L o * L E * L F * x m * x n * x o * x E * x F * z m * z n * z o * z E * z F * 55 mat 23 mat

N 25 el h s * h t * h u * h I * h J * j s * j t * j u * j I * j J * L s * L t * L u * L I * L J * x s * x t * x u * x I * x J * z s * z t * z u * z I * z J * 55 mat