Hi,

The attached file illustrates the problem.

In one case the product of two matrices made up of submatrices does evaluate but in the other case results in anthe error message appearing.

Please clarify.

Thanks.

Farlan

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Matrix_mult.sm (8 КиБ) скачан 50 раз(а).

Hello Farlan,

I suggest you to search the Forum on "block matrices" and to read the posts you find.

Regards,
Radovan