Given two vectors x,y, in 2D or three vectors x,y,z in 3D space, compute the area (or volume) of the parallelogram they define.
V = 1;
X=[1,0,0]'; Y=[0,1,0]'; Z=[0,0,1];
V = 1;
When did the "function ans = " trick start working again?
It started to work when Cody server upgraded its MATLAB to R2016b. So strictly speaking, it's not just a Cody trick, but a MATLAB R2016b feature. This feature was somewhat discontinued in R2016a, but it works in many earlier versions.
Back and Forth Rows
Min of a Matrix
Change the first and last diagonal element of the identity matrix to zero
Vectors counting by 2
find whether it is prime or not
Area of polygon
Non trivial identities - summation
Remove collinear points in a set of 2D points defining a polygon
Non trivial identities - flipping
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