matlab t=linspace(0,pi/10,1000); >> syms x y z% >> th=[x*(1+y/2)+z]*t;>> r=10*sqrt[2+2*cos(x*y*t)];r=10*sqrt[2+2*cos(x*y*t)];|Error:Unbalanced or unexpected parenthesis or bracket.这是怎么回事?
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![matlab t=linspace(0,pi/10,1000); >> syms x y z% >> th=[x*(1+y/2)+z]*t;>> r=10*sqrt[2+2*cos(x*y*t)];r=10*sqrt[2+2*cos(x*y*t)];|Error:Unbalanced or unexpected parenthesis or bracket.这是怎么回事?](/uploads/image/z/2686060-28-0.jpg?t=matlab+t%3Dlinspace%280%2Cpi%2F10%2C1000%29%3B+%3E%3E+syms+x+y+z%25+%3E%3E+th%3D%5Bx%2A%281%2By%2F2%29%2Bz%5D%2At%3B%3E%3E+r%3D10%2Asqrt%5B2%2B2%2Acos%28x%2Ay%2At%29%5D%3Br%3D10%2Asqrt%5B2%2B2%2Acos%28x%2Ay%2At%29%5D%3B%7CError%3AUnbalanced+or+unexpected+parenthesis+or+bracket.%E8%BF%99%E6%98%AF%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B%3F)
matlab t=linspace(0,pi/10,1000); >> syms x y z% >> th=[x*(1+y/2)+z]*t;>> r=10*sqrt[2+2*cos(x*y*t)];r=10*sqrt[2+2*cos(x*y*t)];|Error:Unbalanced or unexpected parenthesis or bracket.这是怎么回事?
matlab t=linspace(0,pi/10,1000); >> syms x y z% >> th=[x*(1+y/2)+z]*t;
>> r=10*sqrt[2+2*cos(x*y*t)];
r=10*sqrt[2+2*cos(x*y*t)];
|
Error:Unbalanced or unexpected parenthesis or bracket.这是怎么回事?
matlab t=linspace(0,pi/10,1000); >> syms x y z% >> th=[x*(1+y/2)+z]*t;>> r=10*sqrt[2+2*cos(x*y*t)];r=10*sqrt[2+2*cos(x*y*t)];|Error:Unbalanced or unexpected parenthesis or bracket.这是怎么回事?
>> syms x y t; % matlab 的中括弧有其他意义
r=10*sqrt(2+2*cos(x*y*t));
r =
10*(2+2*cos(x*y*t))^(1/2)