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The Maxima on-line user's manual

Algebra Calculator

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Coefmatrix Calculator

Coefmatrix

Function: coefmatrix ([<eqn_1>, ..., <eqn_m>], [<x_1>, ..., <x_n>]) Returns the coefficient matrix for the variables <x_1>, ..., <x_n> of the system of linear equations <eqn_1>, ..., <eqn_m>.

          (%i1) coefmatrix([2*x-(a-1)*y+5*b = 0, b*y+a*x = 3], [x,y]);
                                           [ 2  1 - a ]
          (%o1)                            [          ]
                                           [ a    b   ]

There are also some inexact matches for coefmatrix. Try ?? coefmatrix to see them.

(%o1)                                true
(%i2) 

Coefmatrix Example

Related Examples

coefmatrix-determinant-echelon-kill-lambda-rank

kill(eq1,eq2,eq3,eq,x...

eq1:x=lambda+alpha+beta;

eq2:y=lambda-alpha+3*...

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coefmatrix-determinant-linsolve

v1:x+y+t=0;

v2:x+2*y-z+t=0;

v3:x-y+z+t=0;

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coefmatrix-length-makelist

eqlist: [wu-wt,2*wu-w...

m: coefmatrix(makelis...

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coefmatrix

eq1:x=-y-2*z;

eq2:y=-x-2*z;

matrizasociada:coefma...

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coefmatrix-length-makelist-triangularize

eqlist: [wu-wt,2*wu-w...

m: coefmatrix(makelis...

triangularize(m);

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coefmatrix-determinant

v1:x+y+t=0;

v2:x+2*y-z+t=0;

v3:x-y+z+t=0;

Calculate

coefmatrix-length-makelist-rank-triangularize

eqlist: [wu-wt,2*wu-w...

m: coefmatrix(makelis...

triangularize(m);

Calculate

coefmatrix-if

j1(x,y,z):= 0*x + 0*y...

j2(x,y,z):= 6.5*x + 2...

j3(x,y,z):= 6.5*x - 2...

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coefmatrix

vf:[z+y,-x+y-z,z];

Mf:coefmatrix([z+y,-x...

C:matrix([1,0,0],[0,1...

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coefmatrix

eq1: 1156*x-203*y=19;

coefmatrix([eq1],[x,y]);

Calculate