Matlab求助:y=exp(-x.^2/2/a^2)*x./a^2;y=exp(-x.^2/2/a^2)*x./a^2;哪里错了load real.txt;load imag.txt;gray=abs(real+i*imag);[m n]=size(gray);gray=reshape(gray,m*n,1);a=std(gray);x=0:2000;y=(x.*exp((-x.^2)/(2*a^2)))/(a^2);figure;plot(x,y);就是
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![Matlab求助:y=exp(-x.^2/2/a^2)*x./a^2;y=exp(-x.^2/2/a^2)*x./a^2;哪里错了load real.txt;load imag.txt;gray=abs(real+i*imag);[m n]=size(gray);gray=reshape(gray,m*n,1);a=std(gray);x=0:2000;y=(x.*exp((-x.^2)/(2*a^2)))/(a^2);figure;plot(x,y);就是](/uploads/image/z/5240239-7-9.jpg?t=Matlab%E6%B1%82%E5%8A%A9%EF%BC%9Ay%3Dexp%28-x.%5E2%2F2%2Fa%5E2%29%2Ax.%2Fa%5E2%3By%3Dexp%28-x.%5E2%2F2%2Fa%5E2%29%2Ax.%2Fa%5E2%3B%E5%93%AA%E9%87%8C%E9%94%99%E4%BA%86load+real.txt%3Bload+imag.txt%3Bgray%3Dabs%28real%2Bi%2Aimag%29%3B%5Bm+n%5D%3Dsize%28gray%29%3Bgray%3Dreshape%28gray%2Cm%2An%2C1%29%3Ba%3Dstd%28gray%29%3Bx%3D0%3A2000%3By%3D%28x.%2Aexp%28%28-x.%5E2%29%2F%282%2Aa%5E2%29%29%29%2F%28a%5E2%29%3Bfigure%3Bplot%28x%2Cy%29%3B%E5%B0%B1%E6%98%AF)
Matlab求助:y=exp(-x.^2/2/a^2)*x./a^2;y=exp(-x.^2/2/a^2)*x./a^2;哪里错了load real.txt;load imag.txt;gray=abs(real+i*imag);[m n]=size(gray);gray=reshape(gray,m*n,1);a=std(gray);x=0:2000;y=(x.*exp((-x.^2)/(2*a^2)))/(a^2);figure;plot(x,y);就是
Matlab求助:y=exp(-x.^2/2/a^2)*x./a^2;
y=exp(-x.^2/2/a^2)*x./a^2;哪里错了
load real.txt;
load imag.txt;
gray=abs(real+i*imag);
[m n]=size(gray);
gray=reshape(gray,m*n,1);
a=std(gray);
x=0:2000;
y=(x.*exp((-x.^2)/(2*a^2)))/(a^2);
figure;plot(x,y);
就是这样,倒数第二行错误
.刚试了下又没了 对于倒数第两行还有些不懂 有人讲讲么.
Matlab求助:y=exp(-x.^2/2/a^2)*x./a^2;y=exp(-x.^2/2/a^2)*x./a^2;哪里错了load real.txt;load imag.txt;gray=abs(real+i*imag);[m n]=size(gray);gray=reshape(gray,m*n,1);a=std(gray);x=0:2000;y=(x.*exp((-x.^2)/(2*a^2)))/(a^2);figure;plot(x,y);就是
a=std(gray);
x=0:2000;
a,x都是向量.运算都要加.
y=(x.*exp((-x.^2)/(2*a.^2)))/(a.^2);