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1. Wikipedia.org

Added by: Macire Recober

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Matrix (mathematics) - Wikipedia

In mathematics, a matrix (plural: matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. For example, the

Url: https://en.wikipedia.org/wiki/Matrix_(mathematics)

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2. Manchester.ac.uk

Added by: Servulo Werndle

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Chapter 5 Matrix Sign Function

The matrix sign function can be obtained from any of the definitions in Chapter 1. Note that in the case of the Jordan canonical form and interpolating polynomial.

Url: http://www.maths.manchester.ac.uk/~higham/fm/OT104HighamChapter5.pdf

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3. Cut-the-knot.org

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Signs in a Matrix - Cut the Knot

Signs in a Matrix: with two operations of flipping signs in a row/column of a matrix, it is possible to achieve the situations where all the row and column sums are

Url: https://www.cut-the-knot.org/Curriculum/Algebra/SwitchingSigns.shtml

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4. Youtube.com

Finding the Determinant of a 3 x 3 matrix - YouTube

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Finding the Determinant of a 3 x 3 matrix - YouTube

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon

Url: https://www.youtube.com/watch?v=21LWuY8i6Hw

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Determinant of 3x3 matrix - YouTube

Determinant of 3x3 matrix example. http://MathMeeting.com.

Url: https://www.youtube.com/watch?v=V3e7m-qFDFU

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Determinant of a 2 x 2 Matrix - A Few Basic Questions - YouTube

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Determinant of a 2 x 2 Matrix - A Few Basic Questions - YouTube

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon

Url: https://www.youtube.com/watch?v=Ympm-AxmJ14

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5. Mathworks.com

Sign function (signum function) - MATLAB sign - MathWorks

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Sign function (signum function) - MATLAB sign - MathWorks

This MATLAB function returns an array Y the same size as x, where each element of Y is: 1 if the corresponding element of x is greater than 0.

Url: https://www.mathworks.com/help/matlab/ref/sign.html

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6. Stackoverflow.com

How to put sign in matrix - Stack Overflow

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How to put sign in matrix - Stack Overflow

You can use the sign function which returns -1 for negative values and +1 for positive values: B=B.*sign(A).

Url: https://stackoverflow.com/questions/36215393/how-to-put-sign-in-matrix...

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7. Stackexchange.com

linear algebra - Interchanging Rows Of Matrix Changes Sign Of ...

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linear algebra - Interchanging Rows Of Matrix Changes Sign Of

If two rows of a square matrix are the same, then determinant is zero. (This can be shown by induction using Laplace's expansion. See also ProofWiki.)

Url: https://math.stackexchange.com/questions/519151/interchanging-rows-of-...

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matrices - Aligning the minus sign in a matrix - TeX - LaTeX Stack ...

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matrices - Aligning the minus sign in a matrix - TeX - LaTeX Stack

23.05.2016 - Using the mathtools package you can make use of enhanced versions of the matrix environments. In this example I use the starred version of

Url: https://tex.stackexchange.com/questions/311018/aligning-the-minus-sign...

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8. Khanacademy.org

Transpose of a matrix (video) | Khan Academy

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Transpose of a matrix (video) | Khan Academy

There weren't any variables inside the parentheses, so it could be simplified right to 11, and the negative sign

Url: https://www.khanacademy.org/math/linear-algebra/matrix-transformations...

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Multiplying matrices (video) | Khan Academy

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Multiplying matrices (video) | Khan Academy

Sal gives an example of a multiplication of two matrices that don't have the same dimensions.

Url: https://www.khanacademy.org/math/precalculus/precalc-matrices/multiply...

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9. Mathcentre.ac.uk

Added by: Kirby Abdelli

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The determinant of a 3x3 matrix - Mathcentre

To evaluate the determinant of a 3 × 3 matrix is somewhat more complicated The element 7 in matrix A has place sign + and minor −2 so its cofactor is +(−2)

Url: http://www.mathcentre.ac.uk/resources/uploaded/sigma-matrices9-2009-1....

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Asked by: Aliseda Pasalodos

Sign In Matrix

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