@spiceErrorCheck<EOL>def mxv(m1, vin):
m1 = stypes.toDoubleMatrix(m1)<EOL>vin = stypes.toDoubleVector(vin)<EOL>vout = stypes.emptyDoubleVector(<NUM_LIT:3>)<EOL>libspice.mxv_c(m1, vin, vout)<EOL>return stypes.cVectorToPython(vout)<EOL>
Multiply a 3x3 double precision matrix with a
3-dimensional double precision vector.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/mxv_c.html

:param m1: 3x3 double precision matrix.
:type m1: 3x3-Element Array of floats
:param vin: 3-dimensional double precision vector.
:type vin: 3-Element Array of floats
:return: 3-dimensional double precision vector.
:rtype: 3-Element Array of floats