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判断题 T(x,y)=(3x−y,0,y);T是 
上的线性变换.( )
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时间：2024-01-14 18:35:37
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信息能力包括( )A. 数据采集B. 数据存储C. 数据加工D. 信息应用能力
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在计算机中,有些数据是以文件形式进行存储,有些数据,例如医学影像不是以文件的方式进行存储的.( )A. 对B. 错
题目5判断题
T(x,y)=(3x−y,0,y);T是 <img src="https://image.zhihuishu.com/zhs/onlineexam/ansewerImg/202209/a418706c9d2a485aaccbd8f56fa1c06a.png"> 上的线性变换.( )A. 对B. 错
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下列说法正确的是( )A. Matlab 函数diff(f(x)) 表示对f(x)一阶求导B. Matlab 函数 eig(A) 表示对矩阵A求特征值C. 两矩阵进行点乘运算是指它们的对应元素进行相关运算D. 代码A=[1:3:10] 产生一个行向量,初始值为1,步长为3,终止值为10
题目7单选题
若 .w66322377473s .brush0 { fill: rgb(255,255,255); } .w66322377473s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66322377473s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66322377473s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66322377473s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66322377473s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } (123), A = .w66322377509s .brush0 { fill: rgb(255,255,255); } .w66322377509s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66322377509s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66322377509s .font1 { font-style: italic; font-size: 406px; font-family: "Times New Roman", serif; } .w66322377509s .font2 { font-size: 373px; font-family: Symbol, serif; } .w66322377509s .font3 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 1 2 2 B æö ç÷ = ç÷ ç÷ èø 则BA=( )A. 11B. (11)C. .w66322377493s .brush0 { fill: rgb(255,255,255); } .w66322377493s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66322377493s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66322377493s .font1 { font-size: 373px; font-family: Symbol, serif; } .w66322377493s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 123 246 246 æö ç÷ ç÷ ç÷ èøD. .w66322377476s .brush0 { fill: rgb(255,255,255); } .w66322377476s .pen0 { stroke: rgb(0,0,0); stroke-width: 1; stroke-linejoin: round; } .w66322377476s .font0 { font-size: 406px; font-family: "Times New Roman", serif; } .w66322377476s .font1 { font-size: 373px; font-family: Symbol, serif; } .w66322377476s .font2 { font-weight: bold; font-size: 76px; font-family: System, sans-serif; } 123 123 246 æö ç÷ ç÷ ç÷ èø
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题目10多选题
下列等式正确的是( )A. <img src="https://image.zhihuishu.com/zhs/onlineexam/ansewerImg/202209/4249cadbf1fb41db860770f74e5cf4db.png">B. <img src="https://image.zhihuishu.com/zhs/onlineexam/ansewerImg/202209/00d12325534e40cf964031726259f402.png"> ,其中A和B都是n阶方阵C. <img src="https://image.zhihuishu.com/zhs/onlineexam/ansewerImg/202209/9f5671c3628d48c89dd15008472d330f.png"> ,其中A和B都是可逆n阶方阵D. <img src="https://image.zhihuishu.com/zhs/onlineexam/ansewerImg/202209/3af28afe34fb4df08d2a875252918c72.png"> ,其中A和B都是n阶方阵
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