Alternative Equation Formats

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MathML

Cov[AY,U]=ACov[Y,U]Cov[Y,BU]=Cov[Y,U]B′Cov[AY,BU]=ACov[Y,U]B′Cov[c1Y1+c2U1,c3Y2+c4U2]=c1c3Cov[Y1,Y2]+c1c4Cov[Y1,U2]+c2c3Cov[U1,Y2]+c2c4Cov[U1,U2]

MathML rendered with MathJax

Cov[AY,U]=ACov[Y,U]Cov[Y,BU]=Cov[Y,U]B′Cov[AY,BU]=ACov[Y,U]B′Cov[c1Y1+c2U1,c3Y2+c4U2]=c1c3Cov[Y1,Y2]+c1c4Cov[Y1,U2]+c2c3Cov[U1,Y2]+c2c4Cov[U1,U2]

Math as LaTeX Source

\begin{align*} \mr{Cov}[\mb{AY},\bU ] =& \, \, \bA \mr{Cov}[\bY ,\bU ] \\ \mr{Cov}[\bY ,\mb{BU}] =& \, \, \mr{Cov}[\bY ,\bU ]\bB ' \\ \mr{Cov}[\mb{AY},\mb{BU}] =& \, \, \bA \mr{Cov}[\bY ,\bU ]\bB ' \\ \mr{Cov}[c_1\bY _1+c_2\bU _1,c_3\bY _2+c_4\bU _2] =& \, \, c_1c_3 \mr{Cov}[\bY _1,\bY _2] + c_1c_4 \mr{Cov}[\bY _1,\bU _2] \\ +& \, \, c_2c_3 \mr{Cov}[\bU _1,\bY _2] + c_2c_4 \mr{Cov}[\bU _1,\bU _2] \end{align*}