MATLAB: I want to change [3,2,4](1×3 matrix) to 324(1×1 matrix) any help

MATLABmatrix manipulation

i know i can do it by 3*100 + 2*20 + 4 but is there any cleaner method?

Best Answer

polyval(yourvector, 10)

would also work

But what if your vector is [30, 20, 40]?

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MATLAB: Matrix[1,1,1,1;-1,-1,-1,-1;1,1,1,1] to vector[1,1,1,1,-1,-1,-1,-1,1,1,1,1]

I believe you intended semicolons (;) instead of colons (:) in your matrix definition.

To convert it to a vector, use the reshape function:

Matrix = [1,1,1,1; -1,-1,-1,-1; 1,1,1,1];
Vector = reshape(Matrix', 1, [])
Vector =
       1     1     1     1    -1    -1    -1    -1     1     1     1     1

EDIT — Added output of ‘Vector’.

MATLAB: Sorting matrix

sortrows(a)

Best Answer

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MATLAB: Matrix[1,1​,1,1;-1,-1​,-1,-1;1,1​,1,1] to vector[1,1​,1,1,-1,-1​,-1,-1,1,1​,1,1]

MATLAB: Sorting matrix

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MATLAB: Matrix[1,1,1,1;-1,-1,-1,-1;1,1,1,1] to vector[1,1,1,1,-1,-1,-1,-1,1,1,1,1]