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Create a matrix with letters

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Lee Cohen
Lee Cohen am 6 Apr. 2018
Kommentiert: Lee Cohen am 7 Apr. 2018
I would like to know how to create the following matrix:
When there is a list of points with weights (xi, yi, zi are coordinates and mi are weights) I just don't know how to create it with those letters.
  4 Kommentare
James Tursa
James Tursa am 6 Apr. 2018
Bearbeitet: James Tursa am 6 Apr. 2018
Are you trying to form a symbolic matrix? How is this going to be used downstream in your code?
Lee Cohen
Lee Cohen am 6 Apr. 2018
Bearbeitet: James Tursa am 6 Apr. 2018
Yeah, I tried to write this code:
n = input('enter n\n');
syms m x y z
m x y z=ym('m x y z', [n 1]
I am trying to create this matrix using the information from
but I get error.

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Antworten (1)

James Tursa
James Tursa am 6 Apr. 2018
Is this what you want:
A = [sym('m%d',[n 1]) sym('x%d',[n 1]) sym('y%d',[n 1]) sym('z%d',[n 1])]

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