Given four coordinates, write a function to check if they form a square on the XY plane.
Return the first and last character of a string
Permute diagonal and antidiagonal
Find the position of first minimum value in an integer array with numbers
Find the dimensions of a matrix
Are you in XY plane?
Alternating 1´s and 0´s in a matrix
Double the next!
Say type of roots in quadratic equation
Ratio between sum of primer numbers and non-prime numbers
Approximate the inverse tangent by power series
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