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Maximum and minimum of an expression: fMax fMin

fMax and fMin take one or two arguments : an expression of a variable and the name of this variable (by default x).
fMax returns the abscissa of a maximum of the expression.
fMin returns the abscissa of a minimum of the expression.
Input :
fMax(sin(x),x)
Or :
fMax(sin(x))
Or :
fMax(sin(y),y)
Output :
pi/2
Input :
fMin(sin(x),x)
Or :
fMin(sin(x))
Or :
fMin(sin(y),y)
Output :
-pi/2
Input :
fMin(sin(x)^2,x)
Output :
0



giac documentation written by Renée De Graeve and Bernard Parisse