clear;syms x ya=[x y];b=[1 1];c=[1 -1];dot(a,b)-1dot(a,c)-2[x1,y1]=solve('dot(a,b)-1','dot(a,c)-2')[x2,y2]=solve('x+y-1','x-y-2')
why can't I get the results of x and y from the first line of writing the solve function, while there are results from the second line?
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