matlab中写入代码:x=0:0.1:1; y=(1+2*x)^(1/2) ; plot(x,y)
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matlab中写入代码:x=0:0.1:1; y=(1+2*x)^(1/2) ; plot(x,y)
运行后显示:
Error using ==> mpower
Matrix must be square.
Error in ==> Untitled at 2
y=(1+2*x)^(1/2);
这怎么回事啊?
运行后显示:
Error using ==> mpower
Matrix must be square.
Error in ==> Untitled at 2
y=(1+2*x)^(1/2);
这怎么回事啊?
![matlab中写入代码:x=0:0.1:1; y=(1+2*x)^(1/2) ; plot(x,y)](/uploads/image/z/7972220-20-0.jpg?t=matlab%E4%B8%AD%E5%86%99%E5%85%A5%E4%BB%A3%E7%A0%81%EF%BC%9Ax%3D0%3A0.1%3A1%3B+y%3D%281%2B2%2Ax%29%5E%281%2F2%29+%3B+plot%28x%2Cy%29)
x=0:0.1:1
这里x相当于一个矩阵:[0,0.1 ,0.2……1]
表达式y=(1+2*x)^(1/2)表示数值运算.
这里应改为y=(1+2.*x).^(1/2)
plot(x,y)就出来了.
矩阵和数值运算符号前要加“.”,比如“.*”“./”
这里x相当于一个矩阵:[0,0.1 ,0.2……1]
表达式y=(1+2*x)^(1/2)表示数值运算.
这里应改为y=(1+2.*x).^(1/2)
plot(x,y)就出来了.
矩阵和数值运算符号前要加“.”,比如“.*”“./”
matlab中写入代码:x=0:0.1:1; y=(1+2*x)^(1/2) ; plot(x,y)
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