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 = ! a. s0 n2 X+ d# ^- f) Z% q
   
2. 2.19*10^9; t = 1; h = 0.025; q = 1000;
   9 N% p% Y4 U/ A* W. O3 C- D8 y4 C! K
3. w = 0.01; r = 0.15 W1 \1 ]! M8 J, ~! Y- j
   
4. A = (3*M*P)/(M*P + 3*k*M + 3*k*P);; o! a! `# Y  \1 y+ \4 I) U
   
5. 
   & v\" y9 }\" p* E
6. B = (3*M)/(P + 3*k);
   , k) Z, {* ^* Z- o
7. 
   $ A% l$ ~, @& d& O# a( g2 w
8. Q = (3*k*M + 3*k*P + 7*M*P)/(M*P + 3*k*M + 3*k*P);
   : J4 D) ?- U$ U- d# W8 O5 x' e
9. s = (7*M + 6*k)/(P + 3*k);
   % m* o* a  m+ m
10. a = E^((M*P*t + 3*k*M*t + 3*k*P*t)/(3*k*d + P*d))
    + R3 T. R$ ]! q3 k
11. G = (z - h)/Sqrt[(r^2 + z^2 - 2*h*z + h^2)] - (z - h)/
      F. O: B4 p% m7 N5 V6 S
12.    Sqrt[(r^2 + h^2 + 2*h*z + z^2)];
    & ~4 O- c% X7 W. x! Y
13. H = (z^3 - h^3 - 3*z^2*h + 3*h^2*z)/Power[z^2 - 2*h*z + h^2 + r^2, (& e0 v2 Z! U1 [. n3 q- k
    
14.   3)^-1];
    ' d0 U5 u6 o( M; |% ?3 T/ t
15. U = (z^3 + 2*h*z^2 + z*h^2)/Power[z^2 + 2*h*z + h^2 + r^2, (3)^-1];\" ]1 n0 f) r  l& t# R
    
16. 8 V; _; q7 v4 Y; V3 K
    
17. J = (18*h^2*z^3 + 18*h^3*z^2 + 6*h^4*z + 6*h*z^4)/Power[
    ; n; r# N% R8 k5 N
18.   z^2 + 2*h*z + h^2 + r^2, (5)^-1];. r) T: Z5 {- D3 L
    
19. M = 1 - h^3/Power[h^2 + w^2, (3)^-1];\" U; V1 a7 v5 ?; ?* o9 q\" y$ T3 Q- @4 r
    
20. L[r_, z_] = 6 t( t1 s( e5 _; x& U# G
    
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 H2 l6 l3 c  \( J5 Q0 X
    
22.    4*q*M*a*U*Q + 4*q*M*s*a*U + 4*q*M*s;7 {% s. j* d; o( G: D/ H
    
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 "]".
( p* |. m4 }' A, L

宏心

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