From b994c69b07ddeef86bd20ff517e5b161531f86c9 Mon Sep 17 00:00:00 2001
From: Valk Richard Li <48872266+ValKmjolnir@users.noreply.github.com>
Date: Mon, 1 Jun 2020 01:22:24 +0800
Subject: [PATCH] Delete bp.nas

---
 balloon/example/bp.nas | 131 -----------------------------------------
 1 file changed, 131 deletions(-)
 delete mode 100644 balloon/example/bp.nas

diff --git a/balloon/example/bp.nas b/balloon/example/bp.nas
deleted file mode 100644
index 47e9d0b..0000000
--- a/balloon/example/bp.nas
+++ /dev/null
@@ -1,131 +0,0 @@
-
-var neuron=
-{
-    in:0,
-    out:0,
-    diff:0,
-    bia:0,
-    w:[]
-};
-
-var INUM=2;
-var HNUM=4;
-var ONUM=1;
-
-var input_layer=[];
-var hidden=[];
-var output=[];
-var expect=[];
-
-var difftanh=func(x)
-{
-    var ret=tanh(x);
-    return 1-ret*ret;
-};
-
-var diffsigmoid=func(x)
-{
-    var ret=sigmoid(x);
-    return ret*(1-ret);
-};
-
-var init=func()
-{
-    for(var i=0;i<INUM;i+=1){append(input_layer,0);}
-    for(var i=0;i<HNUM;i+=1)
-    {
-        append(hidden,neuron);
-        for(var j=0;j<INUM;j+=1){append(hidden[i].w,rand());}
-        hidden[i].bia=rand();
-    }
-    for(var i=0;i<ONUM;i+=1)
-    {
-        append(expect,0);
-        append(output,neuron);
-        for(var j=0;j<HNUM;j+=1){append(output[i].w,rand());}
-        output[i].bia=rand();
-    }
-    return;
-};
-
-var calc=func()
-{
-    for(var i=0;i<HNUM;i+=1)
-    {
-        hidden[i].in=hidden[i].bia;
-        for(var j=0;j<INUM;j+=1){hidden[i].in+=input_layer[j]*hidden[i].w[j];}
-        hidden[i].out=tanh(hidden[i].in);
-    }
-    for(var i=0;i<ONUM;i+=1)
-    {
-        output[i].in=output[i].bia;
-        for(var j=0;j<HNUM;j+=1){output[i].in+=hidden[j].out*output[i].w[j];}
-        output[i].out=sigmoid(output[i].in);
-    }
-    var error=0;
-    for(var i=0;i<ONUM;i+=1){error+=(expect[i]-output[i].out)*(expect[i]-output[i].out);}
-    error*=0.5;
-    return error;
-};
-
-var back=func()
-{
-    var lr=0.9;
-    for(var i=0;i<ONUM;i+=1){output[i].diff=(expect[i]-output[i].out)*diffsigmoid(output[i].in);}
-    for(var i=0;i<HNUM;i+=1)
-    {
-        hidden[i].diff=0;
-        for(var j=0;j<ONUM;j+=1){hidden[i].diff+=output[j].diff*output[j].w[i];}
-        hidden[i].diff*=difftanh(hidden[i].in);
-    }
-    for(var i=0;i<HNUM;i+=1)
-    {
-        hidden[i].bia+=lr*hidden[i].diff;
-        for(var j=0;j<INUM;j+=1){hidden[i].w[j]+=lr*input_layer[j]*hidden[i].diff;}
-    }
-    for(var i=0;i<ONUM;i+=1)
-    {
-        output[i].bia+=lr*output[i].diff;
-        for(var j=0;j<HNUM;j+=1){output[i].w[j]+=lr*hidden[j].out*output[i].diff;}
-    }
-    return;
-};
-
-init();
-var cnt=0;
-var total_error=10;
-while(total_error>0.001)
-{
-    total_error=0;
-    input_layer[0]=1;input_layer[1]=1;expect[0]=1;
-    total_error+=calc();
-    back();
-    input_layer[0]=1;input_layer[1]=0;expect[0]=1;
-    total_error+=calc();
-    back();
-    input_layer[0]=0;input_layer[1]=1;expect[0]=1;
-    total_error+=calc();
-    back();
-    input_layer[0]=0;input_layer[1]=0;expect[0]=0;
-    total_error+=calc();
-    back();
-    cnt+=1;
-    if(cnt==10)
-    {
-        print('10 times: ',total_error,'\n');
-        cnt=0;
-    }
-}
-
-input_layer[0]=1;input_layer[1]=1;expect[0]=1;
-calc();
-print('1 or 1: ',output[0].out,'\n');
-input_layer[0]=1;input_layer[1]=0;expect[0]=1;
-calc();
-print('1 or 0: ',output[0].out,'\n');
-input_layer[0]=0;input_layer[1]=1;expect[0]=1;
-calc();
-print('0 or 1: ',output[0].out,'\n');
-input_layer[0]=0;input_layer[1]=0;expect[0]=0;
-calc();
-print('0 or 0: ',output[0].out,'\n');
\ No newline at end of file