matlab 解指数方程 解不了啊a b怎么是0呢?s=solve('(a+b*0.720930233)^k','(a+b*155.5779158)^k','(a+b*531.0588235)^k','a,b,k'); result=[s.a,s.b,s.k] result = [ 0., 0., k]

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matlab解指数方程解不了啊ab怎么是0呢?s=solve(''(a+b*0.720930233)^k'',''(a+b*155.5779158)^k'',''(a+b*531.0588235)^k'',''a,

matlab 解指数方程 解不了啊a b怎么是0呢?s=solve('(a+b*0.720930233)^k','(a+b*155.5779158)^k','(a+b*531.0588235)^k','a,b,k'); result=[s.a,s.b,s.k] result = [ 0., 0., k]
matlab 解指数方程 解不了啊a b怎么是0呢?
s=solve('(a+b*0.720930233)^k','(a+b*155.5779158)^k','(a+b*531.0588235)^k','a,b,k'); result=[s.a,s.b,s.k] result = [ 0., 0., k]

matlab 解指数方程 解不了啊a b怎么是0呢?s=solve('(a+b*0.720930233)^k','(a+b*155.5779158)^k','(a+b*531.0588235)^k','a,b,k'); result=[s.a,s.b,s.k] result = [ 0., 0., k]
估计方程搞错了,按照你的输入所求解的是:
(a+c1*b)^k=0;
(a+c2*b)^k=0;
(a+c3*b)^k=0;
等价于:
a+c1*b=0;
a+c2*b=0;
a+c3*b=0;
结果显然只有零解!

你这条件不够把……不太懂matlab,但是如果你给的只有(a+b*0.720930233)^k,(a+b*155.5779158)^k,(a+b*531.0588235)^k这三个多项式是解不出abk的。他们三相等也解不出。