Why is there a value 4.000000000000001 in the cofactor matrix of problem 4? The matrix is composed entirely of integers, so the cofactors should all be integers as well.
@william .. sorry man-- i overlooked .. i've corrected it now.
sth related to the determinant function- matlab provided that answer. i didn't see that
Roll the Dice!
Sort numbers by outside digits
Given area find sides
Area of an equilateral triangle
The length of the equal sides of an isoceles triangle is 'a'.For all the possible (integer) values of the remaining side,find the associated angles between the two equal sides.
Sky full of stars - 02
Take it out
No of squares in a grid
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office