Source

gltut / Documents / Illumination / RayTraceDeriv_4.mathml

Jason McKesson b492caf 























































<?xml version="1.0" encoding="utf-8"?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
	<mrow>
		<mfenced open="(" close=")">
			<mrow>
				<mover accent="true">
					<mi>D</mi>
					<mo>&#x5e;</mo>
				</mover>
				<mo>&#xb7;</mo>
				<mover accent="true">
					<mi>D</mi>
					<mo>&#x5e;</mo>
				</mover>
			</mrow>
		</mfenced>
		<msup>
			<mi>t</mi>
			<mn>2</mn>
		</msup>
		<mo>-</mo>
		<mn>2</mn>
		<mfenced open="(" close=")">
			<mrow>
				<mover accent="true">
					<mi>D</mi>
					<mo>&#x5e;</mo>
				</mover>
				<mo>&#xb7;</mo>
				<mover accent="true">
					<mi>S</mi>
					<mo>&#x21C0;</mo>
				</mover>
			</mrow>
		</mfenced>
		<mi>t</mi>
		<mo>+</mo>
		<mfenced open="(" close=")">
			<mrow>
				<mover accent="true">
					<mi>S</mi>
					<mo>&#x21C0;</mo>
				</mover>
				<mo>&#xb7;</mo>
				<mover accent="true">
					<mi>S</mi>
					<mo>&#x21C0;</mo>
				</mover>
			</mrow>
		</mfenced>
		<mo>=</mo>
		<msup>
			<mi>R</mi>
			<mn>2</mn>
		</msup>
	</mrow>
</math>