dy/dx?????? - ????
...dy/dx?y?x???,dy?y??? y?x????y?????x???,??????????,?????.?????????. ?dy???y???,?????????,????dy/dx=f' (x),????dx????? dy=f' (x)dx?...
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dy?dx???? - ????
...dy/dx?y?x???,dy?y??? y?x????y?????x???,??????????,?????.?????????? ?dy???y???,?????????,????dy/dx=f' (x),????dx????? dy=f' (x)dx...
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???????????????????dxdy??dydz
...??dS*cos?=dxdy,dS*cos?=dydz,dS*cos?=dxdz????????????????????????????? ???????????????????????????????????????????????????????????????????????????????? ???? ......
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?????dy/dx??? - ????
...null null null?????dy/dx??? ????????y?x?????dy/dx (1)cos(x^2 +y)=x ?????????????y=f(x)??? ......
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Logit???????? - ????
...Logit??????????logit??????????????Logit????????????????????...
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