Singular Manual: cProj

| #### D.15.3.40 cProj Procedure from library `chern.lib` (see chern_lib). Usage: cProj(n); n integer Return: list of integers Purpose: computes the terms of positive degree of the total Chern class of the tangent bundle on the complex projective space Note: Example:
    LIB "chern.lib";
    ring r=0, (t), dp;
    // the coefficients of the total Chern class of the complex projective line
    print( cProj(1) );
    ==> [1]:
    ==>    2
    // the coefficients of the total Chern class of the complex projective line
    print( cProj(2) );
    ==> [1]:
    ==>    3
    ==> [2]:
    ==>    3
    // the coefficients of the total Chern class of the complex projective line
    print( cProj(3) );
    ==> [1]:
    ==>    4
    ==> [2]:
    ==>    6
    ==> [3]:
    ==>    4

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