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All about matrices and vectors
my 1997 chevy lumanina wont stay running after putting new moter in it it runs for 2 or 3 sec and dies
by Bobby_E1240 on May 27th, 2011
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no answers
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in Matrices and vectors
What does multi-orthogonal mean?
by Answerbag Staff on January 15th, 2011
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4 answers
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in Matrices and vectors
How do you convert triangle in 3d to 2d while maintaining its shape?
by pierreofthefrench on January 30th, 2011
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6 answers
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in Matrices and vectors
What does multi-orthogonal mean?
by Answerbag Staff on July 17th, 2010
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one answer
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in Matrices and vectors
What does multi-orthogonal mean?
by Answerbag Staff on January 15th, 2011
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4 answers
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in Matrices and vectors
Who founded the metric system?
by Answerbag Staff on May 1st, 2010
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one answer
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in Matrices and vectors
Who would be the cheapest car insurer for my situation?
by cockerpete on December 8th, 2010
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3 answers
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in Matrices and vectors
In what country was the metric system invented?
by Answerbag Staff on January 7th, 2010
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one answer
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in Matrices and vectors
Give me a vector that is perpendicular to the plane defined by
2i+3j+4k and
3i-4j+k
by WarHorseLeBron on September 8th, 2010
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one answer
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in General Matrices and vectors
What do vector dot products and cross products calculate?
by WarHorseLeBron on September 5th, 2010
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one answer
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in General Matrices and vectors
If there is a vector force of 5 lbs. in each x,y,and z axis whats is the resulting force and angle in each axis of the result.
by Junket on August 30th, 2010
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2 answers
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in General Matrices and vectors
Is there a specific name for the opposite of the conjugate of a complex number (i.e. opposite real component but same imaginary component)?
by genesyz on August 19th, 2010
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no answers
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in Matrices and vectors
Z = i/2 is a vector with only a complex component and no real component.
What is the angle with the positive x-axis?
by WarHorseLeBron on July 12th, 2010
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one answer
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in General Matrices and vectors
Who founded the metric system?
by Answerbag Staff on May 1st, 2010
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one answer
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in Matrices and vectors
Let W be the set contaiing continuous functions such that ∫(-2 to 2)tf(t)dt=0. Find a non zero element of W.
by Atlas on February 16th, 2010
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no answers
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in General Matrices and vectors
In what country was the metric system invented?
by Answerbag Staff on January 7th, 2010
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one answer
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in Matrices and vectors
Suppose D= A-B where vector A has components Ax=5 Ay=5 and vector B has components Bx= -4 By = -4
What is the x component of vector D? express your answer usibg one significant figure
by tf1234 on September 29th, 2009
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no answers
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in General Matrices and vectors
If A = {1, 2, 3} , B= {2, 4, 5} find (AÇB) ´ (A–B)
by bahbahrl on September 25th, 2009
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no answers
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in General Matrices and vectors
Given a matrix, how do you quickly find its pivots
by mikescat6790 on August 9th, 2009
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no answers
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in General Matrices and vectors
If |A| = |B| = 5 (module) and the angle Between the vectors A and B is π/4, calculate the area of the triangle constructed on the vectors X = A-2B; And = 3A+2B
by Anonymous on August 8th, 2009
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one answer
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in General Matrices and vectors
Determine the value of 'A' for which the following set of equestion may possess a non-trivial solution:- 3x1+x2-Ax3=0, 4x1-2x2-3x3=0, 2Ax1+4x2+Ax3=0 For each permissible value of A, determine the general solution.
by RAVI on August 2nd, 2009
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one answer
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in General Matrices and vectors
Given the magnitude and angles of a 3-D vector on the x-y plane and the y-z plane, how would I find the coordinates <x,y,z> of the vector?
by ArcyQwerty on July 23rd, 2009
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one answer
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in General Matrices and vectors
Let A and B be 2x2 matrices, let [2 3] and [-4 5] be the first and second rows of A, respectively. Let [2 3] and [-4 5] be the first and second columns of B, respectively. If C=AB, then the element c11=
by rangergrunt on May 28th, 2009
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one answer
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in General Matrices and vectors
Let H and E be 2x2 matrices, let [4 3] and [2 0] be the first and second rows of A, respectively. Let [3 6] and [2 3] be the first and second columns of B, respectively. If D=H+E, then the c11 element of D^-1 is =
by rangergrunt on May 28th, 2009
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2 answers
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in General Matrices and vectors
Prove that for any 2 vectors, U and V, we get ||U+V||^2 + ||U-V||^2 = 2(||U||^2 + ||V||^2). I have proven this with simple algebra. But what geometric fact does it prove?
by addle_brains on March 19th, 2009
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one answer
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in General Matrices and vectors
Let C be the matrix C=1,2 2,2 a.find the determinant of c b.find C to the power of -1 c. calculate C to the power of 2 = C xC d. calculate (C -1)square and (Csq)-1 and check they r the same
by Rindell on March 18th, 2009
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one answer
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in General Matrices and vectors
Find vector parallel to:x-2y+6z =4 and 2x+y-3Z=2?
by Anonymous on February 18th, 2009
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no answers
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in General Matrices and vectors
What is the size of this matrix [1 4 5 7 8]?
by Anonymous on December 2nd, 2008
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2 answers
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in Matrices and vectors
How to use Ti-89 to solve Matrix problems?
by YangJc on November 30th, 2008
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one answer
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in Matrices and vectors
Suppose that you wanted to use this row [-2 4 6 | 14] to eliminate as many elements as possible in this row [2 4 -6 1 | 12]; how would you do this?
by Anonymous on November 14th, 2008
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2 answers
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in General Matrices and vectors
Is there anywhere in here in the "web"world that i can find notes for matrices?
by mura22 on November 9th, 2008
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2 answers
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in General Matrices and vectors
Where can i find online people that adore solving problems in maths?something like chat!!!
by mura22 on November 9th, 2008
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2 answers
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in General Matrices and vectors
Find the resultant and difference of a vector with units 8 and moving in the direction N70E
by Anonymous on October 31st, 2008
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one answer
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in General Matrices and vectors
The span of a steel roof truss is (2x+14)m and the rise is xmetres. the rafter length is given as(2x+1)m. Calculate the span of the roof and the rise of the truss, using the matrices method.
by magunner on October 28th, 2008
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no answers
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in General Matrices and vectors
Let W be the subspace of R^4 consisting of all vectors that are perpendicular to both [1,2,-1,0] and [-2,-3,0,1] (both vertical). a) Find a basis for and the dimension of W. b) FInd a linear transformation T: R^4-->R^4 such that imT=W. Describe T.....
by lexilou on October 9th, 2008
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one answer
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in Matrices and vectors
Matrix Algebra: Give an example of a linear transformation T: R^3-->R^3 such that ker(T) is the line spanned by the vector [2,1,1] (vertical).
by lexilou on October 9th, 2008
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one answer
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in General Matrices and vectors
Let A be an m*n matrix. Show that, if and only if rank A = m, there exists an n*m matrix such that AB = Im (Identity matrix of size m)
by wjomlex on July 8th, 2008
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one answer
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in General Matrices and vectors