When we plan a party, what can the rank of a matrix help us decide? A. What music to play. B. How much food to buy. C. Who to invite. D. Where to have the party. 相关知识点: 试题来源: 解析 B。解析:文中提到在计划聚会时,矩阵的秩可以帮助我们决定买多少食物以及如何安排桌椅。
A. Their length. B. Their width. C. Their independence. D. Their color. 相关知识点: 试题来源: 解析 C。解析:文章提到矩阵的秩告诉我们行和列的独立性。A 选项长度、B 选项宽度与秩无关;D 选项颜色也不是由秩决定。反馈 收藏
A. Choose the textbooks. B. Decide the best way to organize the classroom for learning. C. Grade the students' papers. D. Decorate the classroom. 相关知识点: 试题来源: 解析 B。解析:文中提到在教室里,矩阵的秩可以帮助老师决定组织课堂学习的最佳方式。反馈...
A. The color of the matrix B. The size of the matrix C. How many independent rows or columns it has D. The number of pages in a book 相关知识点: 试题来源: 解析 C。解析:文中提到“The rank of a matrix tells us how many independent rows or columns it has.”。 反馈...
A. The matrix is very small. B. The system has a unique solution. C. The matrix is very big. D. The system has no solution. 相关知识点: 试题来源: 解析 B。解析:文中明确指出如果矩阵的秩是满的,那么方程组有唯一解。A 选项矩阵大小与秩满不满无关;C 选项同理;D 选项与满秩时的情况...
What is a Matrix?In mathematics, a matrix is a powerful tool that has found useful applications in engineering, physics, economics, etc. Matries form algebraic systems in which many of the ordinary laws of arithmetic holds true. It is composed of numbers (real or conjugate) symbols, or ...
the question about the rank of a certain matrix D A = D A(p) over if, the so-called Demjanenko matrix, which depends only on a fixed prime p 5 and a given subset We derive a lower estimate for the rank of D A and pose the problem of determining the exact rank of D A.doi...
LetAbe a symmetric square matrix of ordernwith real entries. Any non-singular matrixSof the same size is said to transform Ainto another symmetric matrixB = S A ST, also of order n, whereSTis the transpose ofS. 任意两个合同矩阵的惯性指数相同,即它们具有相同数目的正特征值、负特征值和零特...
In probability theory and statistics, stochastic matrices are used to describe sets of probabilities; for instance, they are used within the Page Rank algorithm that ranks the pages in a Google search. Matrix calculus generalizes classical analytical notions such as derivatives and exponentials to ...
Torque is the twisting force that tends to cause rotation. It is the measure of how much a force acting on an object causes that object to rotate. Visit to learn how to calculate torque along with its formula, meaning and applications.