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<div><a href="index.html" title="">Macaulay2Doc</a> > <a href="_basic_spcommutative_spalgebra.html" title="">basic commutative algebra</a> > <a href="___M2__Singular__Book.html" title="Macaulay2 examples for the Singular book">M2SingularBook</a> > <a href="___Singular_sp__Book_sp1.2.3.html" title="leading data">Singular Book 1.2.3</a></div>
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<div><h1>Singular Book 1.2.3 -- leading data</h1>
<div><table class="examples"><tr><td><pre>i1 : A = QQ[x,y,z,MonomialOrder=>Lex];</pre>
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<tr><td><pre>i2 : f = y^4*z^3+2*x^2*y^2*z^2+3*x^5+4*z^4+5*y^2
5 2 2 2 4 3 2 4
o2 = 3x + 2x y z + y z + 5y + 4z
o2 : A</pre>
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<tr><td><pre>i3 : leadMonomial f
5
o3 = x
o3 : A</pre>
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<tr><td><pre>i4 : exponents leadMonomial f
o4 = {{5, 0, 0}}
o4 : List</pre>
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<tr><td><pre>i5 : leadTerm f
5
o5 = 3x
o5 : A</pre>
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<tr><td><pre>i6 : leadCoefficient f
o6 = 3
o6 : QQ</pre>
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<tr><td><pre>i7 : someTerms(f,1,size f - 1)
2 2 2 4 3 2 4
o7 = 2x y z + y z + 5y + 4z
o7 : A</pre>
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<tr><td><pre>i8 : someTerms(f,1,-1)
2 2 2 4 3 2 4
o8 = 2x y z + y z + 5y + 4z
o8 : A</pre>
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