u (0) = \frac{i}{2} \pi

u (1) = -i

u(0) = 1/2*I*Pi

u(1) = -I

<math xmlns='http://www.w3.org/1998/Math/MathML'><semantics><mrow xref='id8'><mrow xref='id3'><mi xref='id1'>u</mi><mo>&ApplyFunction;</mo><mfenced><mn xref='id2'>0</mn></mfenced></mrow><mo>=</mo><mrow xref='id7'><mrow xref='id5'><mfrac xref='id4'><mn>1</mn><mn>2</mn></mfrac><mo>&InvisibleTimes;</mo><mn>&ImaginaryI;</mn></mrow><mo>&InvisibleTimes;</mo><mn xref='id6'>&pi;</mn></mrow></mrow><annotation-xml encoding='MathML-Content'><apply id='id8'><eq/><apply id='id3'><ci id='id1'>u</ci><cn id='id2' type='integer'>0</cn></apply><apply id='id7'><times/><apply id='id5'><times/><cn id='id4' type='rational'>1<sep/>2</cn><imaginaryi/></apply><pi id='id6'/></apply></apply></annotation-xml><annotation encoding='Maple'>u(0) = 1/2*I*Pi</annotation></semantics></math>

<math xmlns='http://www.w3.org/1998/Math/MathML'><semantics><mrow xref='id5'><mrow xref='id3'><mi xref='id1'>u</mi><mo>&ApplyFunction;</mo><mfenced><mn xref='id2'>1</mn></mfenced></mrow><mo>=</mo><mrow xref='id4'><mo>-</mo><mi>&ImaginaryI;</mi></mrow></mrow><annotation-xml encoding='MathML-Content'><apply id='id5'><eq/><apply id='id3'><ci id='id1'>u</ci><cn id='id2' type='integer'>1</cn></apply><cn id='id4' type='complex-cartesian'>0<sep/>-1</cn></apply></annotation-xml><annotation encoding='Maple'>u(1) = -I</annotation></semantics></math>