matlab解方程组问题,结果为什么带未知量?怎么办?matlab中输入[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3');[v1,i1,i2,i3]结果为ans = [ .32000000000000000000000000000000e-3-1.*i3, .320000000000000
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 16:48:53
![matlab解方程组问题,结果为什么带未知量?怎么办?matlab中输入[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3');[v1,i1,i2,i3]结果为ans = [ .32000000000000000000000000000000e-3-1.*i3, .320000000000000](/uploads/image/z/15253139-11-9.jpg?t=matlab%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84%E9%97%AE%E9%A2%98%2C%E7%BB%93%E6%9E%9C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%B8%A6%E6%9C%AA%E7%9F%A5%E9%87%8F%3F%E6%80%8E%E4%B9%88%E5%8A%9E%3Fmatlab%E4%B8%AD%E8%BE%93%E5%85%A5%5Bv1%2Ci1%2Ci2%2Ci3%5D%3Dsolve%28%27i1%3D%288-v1%29%2F25000%27%2C%27i2%3Dv1%2F%28j%2A50e-6%29%27%2C%27i3%3Dv1%2F25000%27%2C%27i1%3Di2%2Bi3%27%29%3B%5Bv1%2Ci1%2Ci2%2Ci3%5D%E7%BB%93%E6%9E%9C%E4%B8%BAans+%3D+%5B+.32000000000000000000000000000000e-3-1.%2Ai3%2C+.320000000000000)
matlab解方程组问题,结果为什么带未知量?怎么办?matlab中输入[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3');[v1,i1,i2,i3]结果为ans = [ .32000000000000000000000000000000e-3-1.*i3, .320000000000000
matlab解方程组问题,结果为什么带未知量?怎么办?
matlab中输入
[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3');
[v1,i1,i2,i3]
结果为
ans =
[ .32000000000000000000000000000000e-3-1.*i3, .32000000000000000000000000000000e-3-2.*i3,
-1562500000000.*i3/(-1.+6250.*i3),
25000.*i3]
为什么?
matlab解方程组问题,结果为什么带未知量?怎么办?matlab中输入[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3');[v1,i1,i2,i3]结果为ans = [ .32000000000000000000000000000000e-3-1.*i3, .320000000000000
你还是定义下符号变量吧
syms v1 i1 i2 i3
[v1,i1,i2,i3]=solve('i1=(8-v1)/25000','i2=v1/(j*50e-6)','i3=v1/25000','i1=i2+i3',v1,i1,i2,i3);
[v1,i1,i2,i3]