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关键术语第 04 章:线性方程组

  • Page ID
    204085
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    示例和指示
    单词(或具有相同定义的单词)定义区分大小写(可选)与定义一起显示的图像 [不显示在词汇表中,仅在页面的弹出窗口中显示](可选)图片标题(可选)外部或内部链接(可选)定义来源
    (例如 “遗传、遗传、DNA...”)(例如 “与基因或遗传有关”)臭名昭著的双螺旋 https://bio.libretexts.org/CC-BY-SA;德尔玛·拉森
    词汇表条目
    Words (s)定义图片字幕链接来源
    盈亏平衡点收入等于成本的点是盈亏平衡点;\(C(x)=R(x)\).    
    重合线重合线具有相同的斜率和相同的\(y\)截距。    
    互补角度如果两个角度的测量值之和为\(90\)度,则两个角度是互补的。    
    一致和不一致的系统一致方程组是指具有至少一个解的方程组;不一致方程组是没有解的方程组。    
    成本函数成本函数是每个单位的制造成本\(x\)、制造的单位数量加上固定成本;\(C(x) = (\text{cost per unit})x+ \text{fixed costs}\)    
    行列式每个方矩阵都有一个与之相关的实数,称为其行列式。    
    矩阵矩阵是按行和列排列的矩形数字数组。    
    行列\(3×3\)式中一个条目的次要项行列\(3×3\)式中条目的次要项是通过删除包含\(2×2\)该条目的行列式中的行列式中的行列\(3×3\)式中得出的行列式。    
    收入收入是每个单位的销售价格乘以\(x\),即售出的单位数量;\(R(x) = (\text{selling price per unit})x\)    
    row-echelon 表单当垂直线左侧时,矩阵为行梯队形式,对角线上的每个条目都为 a\(1\),对角线下方的所有条目均为零。    
    方程组的解方程组的解是使所有方程成真的变量的值;解由有序对表示\((x,y)\)    
    具有三个变量的线性方程组的解方程组的解是使所有方程都成真的变量的值;解由有序三元组表示\((x,y,z)\)    
    方矩阵方矩阵是具有相同行数和列数的矩阵。    
    补充角度如果两个角度的测量值之和为\(180\)度,则两个角度是补充的。    
    线性方程组当两个或多个线性方程组合在一起时,它们形成线性方程组。    
    线性不等式系统组合在一起的两个或多个线性不等式构成线性不等式系统。    
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    关键术语第 04 章:线性方程组 is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.