What is the left inverse of a matrix?Left Inverse of Matrix:We are given a matrix M. The left inverse of this matrix is a matrix that once left multiplied by the matrix M, the result of multiplication is the identity matrix.Answer and Explanation: ...
A. [1, 2; 3, 4] B. [2, 1; 4, 3] C. [1, 3; 2, 4] D. [3, 4; 1, 2] 相关知识点: 试题来源: 解析 C。解析:文章中提到 So, if we have the matrix [1, 2; 3, 4], after transposing it, it becomes [1, 3; 2, 4].,所以答案是 C。反馈...
解析 解:在前一百个数中,每三个数相加后重新排列,这会是:9,12,15,18...105.将这些数字相加以后得到1 915.故答案为:1 915 每三个数相加后会出现一个等差数列.注意将每三个数相加,然后重新排列,得到等差数列后运用公式将新的数列相加.反馈 收藏 ...
What is the matrix X if A* X = B? (A and B are 2x2 matrices). What is the identity matrix squared? Can you square a non-square matrix? Which of the following matrices may NOT be a triangular matrix? A) Identity B) Inverse C) Diagonal D) Both B and C ...
Thus, we would say that the dimension (or order) of the above matrix is 3 x 4, meaning that it has 3 rows and 4 columns.Numbers that appear in the rows and columns of a matrix are called elements of the matrix. In the above matrix, the element in the first column of the first ...
These are just some of the promising applications of AI in tackling global problems. But remember that AI is a tool, and its effectiveness depends on responsible development and implementation. Conclusion Artificial intelligence has the potential to be a transformative force, not just for businesses ...
1.What a clever boy he is!How clever the boy is!2.What bad weather it is!How bad the weather is!3.What beautiful pictures they are!How beautiful the pictures are!4.What an interesting story it is!How interesting the story is!5.What exciting news it is!How exciting the news is!6....
故答案为What a beautiful park! 3.【答案】What fine weather! 【核心短语/词汇】weather:天气 【解析】据题意可知,句子为What引导的祈使 句:What+形容词+不可数名词!形容词为fine, 不可数名词为weather。故答案为What fine weat her! 4.【答案】 What a tall boy! 【核心短语/词汇】boy:男孩 【解析】...
A matrix is a rectangular array in which elements are arranged in rows and columns. The pseudo-inverse of a matrix is equal to its inverse if both the columns and the rows of the matrix are linearly independent.Answer and Explanation: ...
3 9 0 2 4 7 5 8 T = t 23 Elements of a Matrix Practice Q : w 12 = ? A : w 12 = 5 Q : 6 = ? A : 6 = w 24 Q : The element with value 16 is located in which row? A : Row 3 Q : How many columns (total) does this matrix contain? A : 4 ...