[a,t]=solve('200*cos(a)*t=360','200*sin(a)*t-5*t∧2=160') 用ma
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[a,t]=solve('200*cos(a)*t=360','200*sin(a)*t-5*t∧2=160') 用matlab求该方程组...
[a,t]=solve('200*cos(a)*t=360','200*sin(a)*t-5*t∧2=160')
用matlab求该方程组,得不到解是为什么
得到a的解是z1,t=1.8/cos(z1)
[a,t]=solve('200*cos(a)*t=360','200*sin(a)*t-5*t∧2=160')
用matlab求该方程组,得不到解是为什么
得到a的解是z1,t=1.8/cos(z1)
纠正“=”是中文状态下输入的,matlab不认
clc,clear all
S=solve('200*cos(a)*t=360','200*sin(a)*t-5*t^2=160');
S.a %求出a
S.t %求出t
输出结果:
S.a=
-2*atan((5*(8*9119^(1/2) + 768)^(3/2))/7048 - (980*(8*9119^(1/2) + 768)^(1/2))/881 - (9*9119^(1/2))/881 + 900/881)
2*atan((980*(768 - 8*9119^(1/2))^(1/2))/881 - (9*9119^(1/2))/881 - (5*(768 - 8*9119^(1/2))^(3/2))/7048 - 900/881)
-2*atan((980*(8*9119^(1/2) + 768)^(1/2))/881 - (9*9119^(1/2))/881 - (5*(8*9119^(1/2) + 768)^(3/2))/7048 + 900/881)
2*atan((5*(768 - 8*9119^(1/2))^(3/2))/7048 - (980*(768 - 8*9119^(1/2))^(1/2))/881 - (9*9119^(1/2))/881 - 900/881)
S.t=
(8*9119^(1/2) + 768)^(1/2)
(768 - 8*9119^(1/2))^(1/2)
-(8*9119^(1/2) + 768)^(1/2)
-(768 - 8*9119^(1/2))^(1/2)
clc,clear all
S=solve('200*cos(a)*t=360','200*sin(a)*t-5*t^2=160');
S.a %求出a
S.t %求出t
输出结果:
S.a=
-2*atan((5*(8*9119^(1/2) + 768)^(3/2))/7048 - (980*(8*9119^(1/2) + 768)^(1/2))/881 - (9*9119^(1/2))/881 + 900/881)
2*atan((980*(768 - 8*9119^(1/2))^(1/2))/881 - (9*9119^(1/2))/881 - (5*(768 - 8*9119^(1/2))^(3/2))/7048 - 900/881)
-2*atan((980*(8*9119^(1/2) + 768)^(1/2))/881 - (9*9119^(1/2))/881 - (5*(8*9119^(1/2) + 768)^(3/2))/7048 + 900/881)
2*atan((5*(768 - 8*9119^(1/2))^(3/2))/7048 - (980*(768 - 8*9119^(1/2))^(1/2))/881 - (9*9119^(1/2))/881 - 900/881)
S.t=
(8*9119^(1/2) + 768)^(1/2)
(768 - 8*9119^(1/2))^(1/2)
-(8*9119^(1/2) + 768)^(1/2)
-(768 - 8*9119^(1/2))^(1/2)
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