Matlab出现is not a valid expression or equation.clear;syms theta x;solve('9.8*x*x/(tan(theta)*tan(theta))-(2*240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))*x/((1/3*5+100)*tan(theta))+9.8*x*x-2*10*sin(theta)*(240000*(sqrt
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![Matlab出现is not a valid expression or equation.clear;syms theta x;solve('9.8*x*x/(tan(theta)*tan(theta))-(2*240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))*x/((1/3*5+100)*tan(theta))+9.8*x*x-2*10*sin(theta)*(240000*(sqrt](/uploads/image/z/11575000-64-0.jpg?t=Matlab%E5%87%BA%E7%8E%B0is+not+a+valid+expression+or+equation.clear%3Bsyms+theta+x%3Bsolve%28%279.8%2Ax%2Ax%2F%28tan%28theta%29%2Atan%28theta%29%29-%282%2A240000%2A%28sqrt%287%29-sqrt%284%2Acos%28theta%29%2B5%29%29-196%2A%2825%2B100%29%2A%28sin%28theta%29-sqrt%283%29%2F2%29%29%2Ax%2F%28%281%2F3%2A5%2B100%29%2Atan%28theta%29%29%2B9.8%2Ax%2Ax-2%2A10%2Asin%28theta%29%2A%28240000%2A%28sqrt)
Matlab出现is not a valid expression or equation.clear;syms theta x;solve('9.8*x*x/(tan(theta)*tan(theta))-(2*240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))*x/((1/3*5+100)*tan(theta))+9.8*x*x-2*10*sin(theta)*(240000*(sqrt
Matlab出现is not a valid expression or equation.
clear;syms theta x;solve('9.8*x*x/(tan(theta)*tan(theta))-(2*240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))*x/((1/3*5+100)*tan(theta))+9.8*x*x-2*10*sin(theta)*(240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))/(1/3*50+100)=0',x);
Matlab出现is not a valid expression or equation.clear;syms theta x;solve('9.8*x*x/(tan(theta)*tan(theta))-(2*240000*(sqrt(7)-sqrt(4*cos(theta)+5))-196*(25+100)*(sin(theta)-sqrt(3)/2))*x/((1/3*5+100)*tan(theta))+9.8*x*x-2*10*sin(theta)*(240000*(sqrt
(1/3*50+100)=0',x); 这个位置的等号用“==”