LTSpice Mosfet load line analysis

$$\ I_D = {{\mu_n*C_{ox}}*({W \over L}){({V_{GS}-V_T})}^2({1+\lambda*V_{GS}})} $$

Transconductance,

$$\ g_m = {{\mu_n*C_{ox}}*({W \over L}){({V_{GSQ}-V_T})}} $$ $$\ g_m = {{2*I_D}\over{(V_{GS} - V_T)}} $$ $$\ g_m = \sqrt{2*\mu_n*C_{ox}*({W \over L})*I_D} $$
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