To find the coordinate vector, vertical and parallel calculation formula
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- 1. If the vector a = (0,3) and the vector b = (- 4,4), then the scalar product of the vectors a and B is?
- 2. The scalar product problem of the first higher vector: we know that the vector a = (1 + √ 3), the angle between B and a is 3 / π, and a * b = 4 It is known that the vector a = (1 + √ 3), the angle between B and a is 3 / π, and a * b = 4 (1) Find the vector B; (2) Let m = a + KB, n = 3ka-2b (k is a positive real number). When m ⊥ n, whether M + N and a are collinear or not is the reason
- 3. Given the vector | a | = 4 and the vector | B | = 3, the scalar product is obtained under the following conditions: 1 / vector a is perpendicular to vector B 2 / the angle between vector a and vector B is 60 ° 3 / vector a is parallel to B
- 4. What is the outer product of a vector, what is its geometric and arithmetic significance, and how to find it?
- 5. What does the square of vector a represent? What is the geometric meaning? Such as the title
- 6. On the inner product of vector How did the vector inner product formula come from? What's the reason for the inventor to stipulate that, and the vector multiplied by the vector is a constant
- 7. The definition and basic properties of vector inner product, 1. Given vector a = (1, radical 3), vector b = (- radical 3, - 1), find 2. Given points a (x, - 1), B (- 2, - 6), C (1, - 2) and | vector ab | = | vector AC |, find the value of X 3. Given points a (x, 4), B (2, y + 3), and vector AB = (3, 6), find the value of X, y
- 8. What is the inner product of a vector? What's the use?
- 9. The definition of finding the inner product of two vectors 3Q It's on the first floor. Where is it? Inside and outside the points. Do you belong to the inside? What about the outside? Can you tell me? In addition, I'm talking about vectors in linear algebra.
- 10. On a vector product of quantity Given the vector a + vector B + vector C = 0 vector, and the module of a vector = 4, the module of B vector = 3, the module of C vector = 5 Finding a vector x C vector
- 11. How to memorize the formula of the vertical and parallel coordinates of two vectors?
- 12. The resultant force is the vector sum of the product of acceleration and mass of each part of the whole,
- 13. The concept of vector?
- 14. What is the sub vector It's better if it's the concept in the book^_^
- 15. Please help to sort out the vector in middle school physics
- 16. How to calculate vector coordinates A (a, b) B (C, d) then the vector AB is (C-A, D-B)
- 17. On the coordinate calculation of vector If vectors a (3cos α, 3sin α, 1), B (2cos θ, 2Sin θ, 1), then the value range of | A-B | is?
- 18. On the calculation of coordinate vector If the vectors a = (2,3, - 1) and B = (- 2,1,3), then the area of a parallelogram with a and B as adjacent sides?
- 19. Coordinate operation of vector Given m = (1,0), n = (1 / 2, (√ 3) / 2), a = m + 2n, B = 2m-3n., then the angle between a and B is
- 20. If two coordinate vectors are added, is it a number or a coordinate What if it's the absolute value of the sum of two vectors?