初学matlab,为..这是代码:x=linspace(0,2*pi,100);y=sin(x);plot(x,y);这是显示的错误,肯定是我电脑的问题,但是该怎么改呀,有没有技术大佬,救救孩子我是不是需要重新安装一遍
x=0:0.1:10;y=sin(x);plot(x,y)t=0:0.01*pi:2*p;x=sin(t);y=cos(t);z=x+y;plot(t,x,t,y,t,z);xlabel('时间');ylabel('函数值')要标注,可以在产出的图上标注,点击图标‘datacursor’在图上鼠标点击一下,就会有坐标值了x=0:pi/10:2*pi;y=sin(x);plot(x,y)
指明F2是sin(x),F1是cos(x)set(h,'fontsize',16,'color','k','edgecolor','r','textcolor','w') ; %对图例h进行精细设置%%坐标轴控制 axis([0,2*pi-0.4,-0.8,1]); %将横坐标范围设定到0~2*pi-0.4,纵坐标范围设定到-0.8~1%%横纵坐标的名称 title('{\fontsize{14}\bfsin(x)和cos(x)...
teta=round(100*rand); y1=sin(2*pi*f*t); y2=sin(2*pi*f*t+deg2rad(teta)); figure(teta); plot(t,y1,t,y2) xlabel('x') ylabel('y') grid How to Get Best Site Performance Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are...
matlab中绘图,如何显示出坐标轴(x轴和y轴)?绘图命令如下:x=0:0.1:10;y=sin(x);plot(x,y)但是我要同时也显示坐标轴(x轴和y轴),请问如
Legend: sin, cos, sigmoid, gaussian xlabel: x = 0 to 2π ylabel: values of functions x = 0:0.1:2*pi; y1 = sin(x); y2 = cos(x); y3 = 1./(1+exp(-x)); y4 = (1/(2*pi)^0.5).*exp(-x.^2./2); plot(x, y1, 'k.-', x, y2, 'b*--', x, y3, 'ro-.',...
你可能把三角函数的角度制和弧度制搞混淆了。对于你的问题可以处理:>>n=0:20; y=sind(2*pi*500*n); plot(n,y); %角度制 或 >>n=0:20; y=sin(500*n); plot(n,y); %弧度制 两种图形如下
plot(X,sin(1./X))语句中的点代表对于元素相除,除0并不是错误,仅仅是内部数据溢出而已,可以不用管。x=0:0.1:10;y=sin(x);plot(x,y)例如:根据已知函数可知,在x=0处有间断点,所以绘制该函数图形,应避开该间断点。图形实现代码如下:x=-10.01:-0.01;y=x.*sin(1./x);plot(x...
matlab画图函数plot()/set/legend 简单plot()/legend/XY轴范围axis 除了坐标轴信息外还可以添加其它的信息,如所画曲线的信息等:测试代码如下 x=0:pi/20:2*pi; y1=sin(x); y2=cos(x); plot(x,y1,x,y2); grid on xlabel('变量 X') ylabel('变量 Y1 & Y2')...
meshgrid is a function used in Matlab to generate mesh sample points, vectors are transformed into matrices.[X,Y] = meshgrid(x,y) returns 2-D grid coordinates based on the coordinates contained in vectors x and y. X is a matrix where each row is a copy of x, and Y is a matrix ...