Slask testovn
SamverkanLinalgLIU
(Skillnad mellan versioner)
Rad 1: | Rad 1: | ||
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- | Den linjära avbildningen <math>F:{\bf R^3}\rightarrow{\bf R}^3</math> har i basen <math>\underline{\boldsymbol{e}}=\{\boldsymbol{e}_1, \boldsymbol{e}_2,\boldsymbol{e}_3\}</math> matrisen | + | 2. Den linjära avbildningen <math>F:{\bf R^3}\rightarrow{\bf R}^3</math> har i basen <math>\underline{\boldsymbol{e}}=\{\boldsymbol{e}_1, \boldsymbol{e}_2,\boldsymbol{e}_3\}</math> matrisen |
<center><math> A=\left(\begin{array}{rrr}0&1&2\\5&-1&0\\4&0&-2\end{array}\right)</math></center> | <center><math> A=\left(\begin{array}{rrr}0&1&2\\5&-1&0\\4&0&-2\end{array}\right)</math></center> | ||
a) Bestäm bilden <math>\boldsymbol{u}=\underline{\boldsymbol{e}}\left(\begin{array}{r} 2\\-1 \\ 3\end{array}\right)</math> under <math>F</math>. b) Ange urbilden till <math> \boldsymbol{v}=2\boldsymbol{e}_1+5\boldsymbol{e}_2+2\boldsymbol{e}_3</math> under <math>F</math>. | a) Bestäm bilden <math>\boldsymbol{u}=\underline{\boldsymbol{e}}\left(\begin{array}{r} 2\\-1 \\ 3\end{array}\right)</math> under <math>F</math>. b) Ange urbilden till <math> \boldsymbol{v}=2\boldsymbol{e}_1+5\boldsymbol{e}_2+2\boldsymbol{e}_3</math> under <math>F</math>. |
Versionen från 6 november 2008 kl. 14.33
2. Den linjära avbildningen \displaystyle F:{\bf R^3}\rightarrow{\bf R}^3 har i basen \displaystyle \underline{\boldsymbol{e}}=\{\boldsymbol{e}_1, \boldsymbol{e}_2,\boldsymbol{e}_3\} matrisen
a) Bestäm bilden \displaystyle \boldsymbol{u}=\underline{\boldsymbol{e}}\left(\begin{array}{r} 2\\-1 \\ 3\end{array}\right) under \displaystyle F. b) Ange urbilden till \displaystyle \boldsymbol{v}=2\boldsymbol{e}_1+5\boldsymbol{e}_2+2\boldsymbol{e}_3 under \displaystyle F.