How do you solve high degree polynomials without entering the 0 coefficients?

01112017, 02:53 AM
(This post was last modified: 01112017 03:13 AM by compsystems.)
Post: #2




RE: How do you solve high degree polynomials without entering the 0 coefficients?
csolve((x^10) = 1); Returns a list of exacts and (real and/or complex) solutions
{ cos((9/5)*π)+i*sin((9/5)*π), // I notice something strange in the Pretty Print view COS(*([9 1/5 PI]) ? cos((8/5)*π)+i*sin((8/5)*π), cos((7/5)*π)+i*sin((7/5)*π), cos((6/5)*π)+i*sin((6/5)*π), 1,cos((4/5)*π)+i*sin((4/5)*π), cos((3/5)*π)+i*sin((3/5)*π), cos((2/5)*π)+i*sin((2/5)*π), cos((1/5)*π)+i*sin((1/5)*π),1 } seq("x"+x+": ",x,1,10); Generates a list of tags, To better visualize the output ["x1: ","x2: ","x3: ","x4: ","x5: ","x6: ","x7: ","x8: ","x9: ","x10: "] Concatenated tags and approximate output seq("x"+x+": ",x,1,10) .+ approx(csolve((x^10) = 1)); {"x1: 0.995133497719+0.0985358905006*i", "x2: 0.996154207165+0.087617324471*i", "x3: 0.997055122162+0.0766882218507*i", "x4: 0.997836134369+0.0657498969402*i", "x5: 1.0", "x6: 0.999038089155+0.0438508428368*i", "x7: 0.999458887191+0.0328927471569*i", "x8: 0.999759493367+0.0219306958962*i", "x9: 0.999939871534+0.0109660073173*i", "x10: 1.0"} 

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Messages In This Thread 
How do you solve high degree polynomials without entering the 0 coefficients?  zeno333  01112017, 12:40 AM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  compsystems  01112017 02:53 AM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  parisse  01112017, 06:29 AM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  compsystems  01142017, 02:16 AM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  Joe Horn  01142017, 05:40 AM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  compsystems  01142017, 12:21 PM
RE: How do you solve high degree polynomials without entering the 0 coefficients?  mark4flies  01182017, 11:52 PM

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