A mapping from one space to another determined by a given matrix. Let A = (a ij ) be a matrix with m rows and n columns. For a point P(x 1 , ..., x n ) in an n-dimensional space E n,
A linear transformation has the property that it maps a line to a line or a point, and a plane to a plane, a line, or a point. Also, for an n-dimensional vector x = (x 1 , ..., x n ) f(k 1 x 1 + k 2 x 2 )=k 1 f(x 1 )+k 2 f(x 2 ) [Terada Fumiyuki] [Reference items] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
行列を与えたとき、それによって定まる空間から空間への写像のこと。A=(aij)をm行n列の行列とする。n次元空間En内の点P(x1,……,xn)に対して
一次変換は、直線を直線または点に、平面を平面か直線か点に写像する、という性質をもっている。またn次元ベクトル f(k1x1+k2x2)=k1f(x1)+k2f(x2) [寺田文行] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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