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salvomic · 06-28-2015, 06:27 AM

(06-28-2015 05:01 AM)Lin Su Wrote: Hi = )!

When i calculate the inverse matrix, i use inv(Matrix) and for small numbers(img.1), there`s no problem but when i try to calculate using large number(img.2)..it shows wrong result..

what am i doing wrong?

large number is the image (2?) with [[4,5][6,7]]?
its inverse is [[-3.5,2.5][3,-2]], correct.
Or am I missing something?

Salvo