Введите задачу...
Линейная алгебра Примеры
[10-50-140120-70001700008]⎡⎢
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⎢⎣10−50−140120−70001700008⎤⎥
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Этап 1
Этап 1.1
Multiply each element of R4R4 by 1818 to make the entry at 4,54,5 a 11.
Этап 1.1.1
Multiply each element of R4R4 by 1818 to make the entry at 4,54,5 a 11.
[10-50-140120-7000170808080888]⎡⎢
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⎢⎣10−50−140120−7000170808080888⎤⎥
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Этап 1.1.2
Упростим R4R4.
[10-50-140120-70001700001]⎡⎢
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⎢⎣10−50−140120−70001700001⎤⎥
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[10-50-140120-70001700001]⎡⎢
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⎢⎣10−50−140120−70001700001⎤⎥
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Этап 1.2
Perform the row operation R3=R3-7R4R3=R3−7R4 to make the entry at 3,53,5 a 00.
Этап 1.2.1
Perform the row operation R3=R3-7R4R3=R3−7R4 to make the entry at 3,53,5 a 00.
[10-50-140120-70-7⋅00-7⋅00-7⋅01-7⋅07-7⋅100001]⎡⎢
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⎢⎣10−50−140120−70−7⋅00−7⋅00−7⋅01−7⋅07−7⋅100001⎤⎥
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Этап 1.2.2
Упростим R3R3.
[10-50-140120-70001000001]⎡⎢
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⎢⎣10−50−140120−70001000001⎤⎥
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[10-50-140120-70001000001]⎡⎢
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⎢⎣10−50−140120−70001000001⎤⎥
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Этап 1.3
Perform the row operation R2=R2+7R4R2=R2+7R4 to make the entry at 2,52,5 a 00.
Этап 1.3.1
Perform the row operation R2=R2+7R4R2=R2+7R4 to make the entry at 2,52,5 a 00.
[10-50-140+7⋅01+7⋅02+7⋅00+7⋅0-7+7⋅10001000001]⎡⎢
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⎢⎣10−50−140+7⋅01+7⋅02+7⋅00+7⋅0−7+7⋅10001000001⎤⎥
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Этап 1.3.2
Упростим R2R2.
[10-50-14012000001000001]⎡⎢
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⎢⎣10−50−14012000001000001⎤⎥
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[10-50-14012000001000001]⎡⎢
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⎢⎣10−50−14012000001000001⎤⎥
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Этап 1.4
Perform the row operation R1=R1+14R4R1=R1+14R4 to make the entry at 1,51,5 a 00.
Этап 1.4.1
Perform the row operation R1=R1+14R4R1=R1+14R4 to make the entry at 1,51,5 a 00.
[1+14⋅00+14⋅0-5+14⋅00+14⋅0-14+14⋅1012000001000001]⎡⎢
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⎢⎣1+14⋅00+14⋅0−5+14⋅00+14⋅0−14+14⋅1012000001000001⎤⎥
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Этап 1.4.2
Упростим R1R1.
[10-500012000001000001]⎡⎢
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⎢⎣10−500012000001000001⎤⎥
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[10-500012000001000001]⎡⎢
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⎢⎣10−500012000001000001⎤⎥
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[10-500012000001000001]⎡⎢
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⎢⎣10−500012000001000001⎤⎥
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Этап 2
The pivot positions are the locations with the leading 1 in each row. The pivot columns are the columns that have a pivot position.
Pivot Positions: a11,a22,a34, and a45
Pivot Columns: 1,2,4, and 5