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dodanie zadania

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Izabela Kosmala 2018-01-20 17:49:05 +00:00
parent b83869b9f4
commit bd7d71301d
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zajęcia 12/mathematics.txt Normal file
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zad.1
Solve[{2x-2y+z-w==7,-x+4y-5z+3w==1,x+y-z+w==4,-4x+2y+z-2w==6},{x,y,z,w}]
zad.2
Solve[x^3-21x+20==0,x]
zad.3
Clear(x) #czyszczenie zmiennej
Plot[x^2+2x+3,{x,-4,4}]
Plot[cos(2*x),{x,-4,4}]
Plot[sin(1/x),{x,1,4}]
Plot3D[x^2+y^2,{x,-2,2},{y,-2,2}]
Plot3D[x^2-y^2+2*x*y^2+1,{x,-2,2},{y,-2,2}]