http://www.mapleprimes.com/questions/35582-Intersect en-us 2026 Maplesoft, A Division of Waterloo Maple Inc. Maplesoft Document System Wed, 10 Jun 2026 17:03:30 GMT Wed, 10 Jun 2026 17:03:30 GMT The latest answers and comments added to the Question, intersect http://www.mapleprimes.com/images/mapleprimeswhite.jpg http://www.mapleprimes.com/questions/35582-Intersect http://www.mapleprimes.com/questions/35582-Intersect?ref=Feed:MaplePrimes:intersect:Comments#answer44356 <p>You wrote &quot;equations&quot;, but here's an example with two expressions f and g. If you really have equations, each with an equals-sign and a right- and left-hand-side, then you can form expressions from them using lhs(eq)-rhs(eq).</p> <p>Basically, you can find intersections by finding where their difference (f-g) is zero.</p> <pre> f:=sin(x+5): g:=1/45*((x-2)^3-10*(x-2)-1): xpts:=Student:-Calculus1:-Roots(f-g,x=-10..10,numeric): seq([t,eval(f,x=t)],t in xpts); plot([f,g],x=-10..10,view=[-10..10,-1..1]); </pre> <p>You wrote &quot;equations&quot;, but here's an example with two expressions f and g. If you really have equations, each with an equals-sign and a right- and left-hand-side, then you can form expressions from them using lhs(eq)-rhs(eq).</p> <p>Basically, you can find intersections by finding where their difference (f-g) is zero.</p> <pre> f:=sin(x+5): g:=1/45*((x-2)^3-10*(x-2)-1): xpts:=Student:-Calculus1:-Roots(f-g,x=-10..10,numeric): seq([t,eval(f,x=t)],t in xpts); plot([f,g],x=-10..10,view=[-10..10,-1..1]); </pre> 44356 Sat, 06 Mar 2010 01:49:50 Z pagan pagan