# Tag Info

Accepted

### Lagrange multipliers and not tangent contour lines

Assuming the function indicated here waves nicely and sine-like in the way hinted at in the drawing (say we have $f(x,y)=\cos(x+y)+3$), the Lagrange multiplier method will find all the red dots in the ...
• 188k
1 vote

### Lagrange multiplier for QCQP with $1$ equality constraint

($\lambda = 1$, $x=0$ and $y=\pm 1$) Or ($\lambda = -2$, $y=0$ and $x=\pm \sqrt 2$)
• 5,902