Matlab Cheatsheet Page 3

Helpful Matlab commands

• add = +

• subtraction = -

• multiplication = +

• division = /

• det(D) : determinant of a square matrix

• dot(A,B): dot product of two vectors

• cross(A,B): cross product of two vectors

• norm(A): Magnitude of a vector

• cos(x) acos(x)

• sin(x) asin(x)

• tan(x) atan(x)

• cot(x) acot(x)

• csc(x) acsc(x)

• sec(x) asec(x)

• atan2(x,y)

Careful!!! Matlab defaults to radians, so if you want to use degrees you have 2 options:

• Cosd = cosine(in degrees)

To convert from radians to degrees

• rad2deg (deg2rad also exists)

• Do the math itself

• pi is predeﬁned in Matlab as ?pi?

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Parent category: Education