せおｐ； - 経済統計練習帳

var point = new Array();
var x = new Array();
var year = new Array();
var pointx = new Array();
var p1;
var mu, sig; 
 
function sample() {
 
    mu = 0;
    sig = 10;
 
 
 
 
    paint();
 
 
 
 
 
 
 
 
 
 
 
 
 
 
}
 
function f(x){
 
pi=Math.PI;
 
f1=Math.sqrt(2*pi)*sig;
    f2 = -(x - mu) * (x - mu) / (2*sig * sig);
    ff=Math.exp(f2)/f1
    return ff; 
}
 
 
 
function paint(){
 
var sub=new svgpaint();
 
str="<svg width=\"500\" height=\"500\">";
 
str=str+sub.rect(0,0,500,500,"blue");
 
for(s=-100;s<100;s++){
f1 = f(s);
str=str+sub.rect(5*s+250,500-10000*f1,5,10000*f1,"red");    
}
str=str+"</svg>";
 
$("#memo").html(str);   
 
}