u (0) = i \sqrt{2}

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

<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'><mn xref='id4'>&ImaginaryI;</mn><mo>&InvisibleTimes;</mo><mrow xref='id6'><msqrt><mn xref='id5'>2</mn></msqrt></mrow></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/><imaginaryi id='id4'/><apply id='id6'><root/><cn id='id5' type='integer'>2</cn></apply></apply></apply></annotation-xml><annotation encoding='Maple'>u(0) = I*2^(1/2)</annotation></semantics></math>