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Then A >> 0 ( " A is positive definite " ) means : X'AX > 0 for all X = 0 . A≥0 ( " A is nonnegative definite " ) means : X'AX20 for all X. A 0 ( " A is zero definite " ) means : X'AX = 0 for all X. A > 0 ( " A is positive semi ...
Then A >> 0 ( " A is positive definite " ) means : X'AX > 0 for all X = 0 . A≥0 ( " A is nonnegative definite " ) means : X'AX20 for all X. A 0 ( " A is zero definite " ) means : X'AX = 0 for all X. A > 0 ( " A is positive semi ...
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If v is any 1 × k vector and μ = vAE , then VAEVE'A'V ' μVμ ' > 0 = μνμ'20 since V is positive definite ; thus AEVA ' = AEVE'A'≥0 . Finally , equality AEVA ' AEVE'A ' = 0 holds in ( a ) if and only if AE = 0 ( again since V is positive ...
If v is any 1 × k vector and μ = vAE , then VAEVE'A'V ' μVμ ' > 0 = μνμ'20 since V is positive definite ; thus AEVA ' = AEVE'A'≥0 . Finally , equality AEVA ' AEVE'A ' = 0 holds in ( a ) if and only if AE = 0 ( again since V is positive ...
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8 (・) : Kronecker 三角函數( Kronecker delta function ) Pe ( to ) :誤差共變矩陣( error covariance matrix ) Q : ( t ) :正半定對稱矩陣( positive semidefinite symmetric matrices ) Re ( t ) :正定對稱矩陣綜合以上的陳述,我們把控制問題重新敍述 ...
8 (・) : Kronecker 三角函數( Kronecker delta function ) Pe ( to ) :誤差共變矩陣( error covariance matrix ) Q : ( t ) :正半定對稱矩陣( positive semidefinite symmetric matrices ) Re ( t ) :正定對稱矩陣綜合以上的陳述,我們把控制問題重新敍述 ...
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