请教ContourPlot出不了图这是为什么，代码如下，图如下

水墨林

1. k = 2*10^9; d = 10; M = 2.19*10^9; P =
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2. 2.19*10^9; t = 1; h = 0.025; q = 1000;3 r! ?1 @1 O& }/ }; v& Q. m
   
3. w = 0.01; r = 0.1
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4. A = (3*M*P)/(M*P + 3*k*M + 3*k*P);& J5 f7 j3 _\" C
   
5. 
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6. B = (3*M)/(P + 3*k);
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7. 
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8. Q = (3*k*M + 3*k*P + 7*M*P)/(M*P + 3*k*M + 3*k*P);: i+ f/ Y2 q* Y
   
9. s = (7*M + 6*k)/(P + 3*k);) @! i8 j  m\" M, Q1 M
   
10. a = E^((M*P*t + 3*k*M*t + 3*k*P*t)/(3*k*d + P*d))
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11. G = (z - h)/Sqrt[(r^2 + z^2 - 2*h*z + h^2)] - (z - h)/
    2 Q3 _9 ^* P\" F, v1 j\" N7 m
12.    Sqrt[(r^2 + h^2 + 2*h*z + z^2)];
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13. H = (z^3 - h^3 - 3*z^2*h + 3*h^2*z)/Power[z^2 - 2*h*z + h^2 + r^2, (
    % R\" `- p$ D\" F% o9 y
14.   3)^-1];
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15. U = (z^3 + 2*h*z^2 + z*h^2)/Power[z^2 + 2*h*z + h^2 + r^2, (3)^-1];' ?, s: o- S5 X' \\" k
    
16. ! ?2 _9 o- J2 _' z1 Y: t  S& s4 ^
    
17. J = (18*h^2*z^3 + 18*h^3*z^2 + 6*h^4*z + 6*h*z^4)/Power[
    ! q\" b, L# K7 D! W' `) u5 Z
18.   z^2 + 2*h*z + h^2 + r^2, (5)^-1];* n5 E. `, B6 O: e
    
19. M = 1 - h^3/Power[h^2 + w^2, (3)^-1];* ~  Q' {6 B\" Y3 h/ ]8 Z5 ^1 T
    
20. L[r_, z_] =
    7 |/ b3 c3 n8 x/ d3 ~3 l3 m$ [
21.   4*q*M*A*G - 4*q*M*a*G*A + 4*q*M*a*G*B + 4*q*M*H + 4*q*M*U*Q -
    9 H: Z  a; T% }4 T3 P9 N; V
22.    4*q*M*a*U*Q + 4*q*M*s*a*U + 4*q*M*s;
    ! r) `. \# Q  }6 v3 _
23. ContourPlot[c[r, z], {r, 0, 0.0001}, {z, 0.025, 0.035}]

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newanswer

楼主，这个是想要用什么软件做图

宏心

Syntax::bktmcp: Expression "[8W'|-c2_" has no closing "]".
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宏心

Syntax::bktmcp: Expression "[8W'|-c2_" has no closing "]".