//file my pictures\_equation art\sin x cos.bmp //this code is executed for each pixel: $red = 128*(sin($x/10) + cos($y/7.5)); $green = 96*(sin($x/20) - cos($y/15)); $blue = 96*(sin(($x+10)/20) - cos(($y+7.5)/15))*(sin(($x+10)/10) + cos(($y+7.5)/7.5)); //file my pictures\_equation art\(sin+cos)x(sin-cos).bmp //this code is executed for each pixel: $red = 128*(sin($x/8) + cos($y/6)); $green = 96*(sin($x/16) - cos($y/12)); $blue = $red*$green; //file my pictures\_equation art\(sin+cos)x(sin-cos) big.bmp //this code is executed for each pixel: $red = 128*(sin($x/18) + cos($y/13.5)); $green = 96*(sin($x/36) - cos($y/27)); $blue = $red*$green; //file my pictures\_equation art\(sin+cos)x(sin-cos) twist.bmp //this code is executed for each pixel: $red = 128*(sin($x/12) + cos($x/9)); $green = 96*(sin($y/24) - cos($y/18)); $blue = $red*$green; //file my pictures\_equation art\(x-y)x(x+y).bmp //this code is executed for each pixel: $red = ($x - $y)*9/6; $green = ($x + $y)*9/2.5; $blue = $red*$green; //file my pictures\_equation art\(x-y),(x+y),0.bmp //this code is executed for each pixel: $red = ($x - $y)*9/6; $green = ($x + $y)*9/2.5; $blue = 0; //file my pictures\_equation art\(x-y)-(x+y).bmp //this code is executed for each pixel: $red = ($x - $y)*9/6; $green = ($x + $y)*9/2.5; $blue = $red - $green; //file my pictures\_equation art\(x-y)-(x+y) bal.bmp //this code is executed for each pixel: $red = ($x - $y)*9/4; $green = ($x + $y)*9/4; $blue = $red - $green; //file my pictures\_equation art\(x-y)+(x+y) bal.bmp //this code is executed for each pixel: $red = ($x - $y)*9/4; $green = ($x + $y)*9/4; $blue = $red + $green; //file my pictures\_equation art\4(x-y)-(x+y).bmp //this code is executed for each pixel: $red = ($x - $y)*9/2;
$green = ($x + $y)*9/8; $blue = $red - $green; //file my pictures\_equation art\sunset over the sea.bmp //this code is executed for each pixel: $red = ($x - $y)*9/3; $green = ($x + $y)*9/5; $blue = $red - $green + (sin($x) + cos($y))*1024*1024; //file - no picture saved //this code is executed for each pixel: $red = $x*sin($x)*9/3; $green = $y*(cos($y)*9/5; $blue = ($red + 1)*($green + 1); //--> parse error: syntax error, unexpected ';' in /mountedstorage/home17a/sub001/sc18673-hhlm/pheddles.com/eacoder/2.php on line 26 //file my pictures\_equation art\x+y,x-y,7x^2+7y^2.bmp //this code is executed for each pixel: $red = $x + $y; $green = $x - $y; $blue = 7*($x * $x + $y * $y); //file my pictures\_equation art\x+y,x-y,x^2+y^2.bmp //this code is executed for each pixel: $red = $x + $y; $green = $x - $y; $blue = $x * $x + $y * $y; //file my pictures\_equation art\x+y,x-y,7x^2+5y^2.bmp //this code is executed for each pixel: $red = $x + $y; $green = $x - $y; $blue = 7*$x*$x + 5*$y*$y; //file my pictures\_equation art\x+y,x-y,x^2o5+y^2o7.bmp //this code is executed for each pixel: $red = $x + $y; $green = $x - $y; $blue = $x*$x/5 + $y*$y/7; //file my pictures\_equation art\sqrt(x),sqrt(y),r-g.bmp //this code is executed for each pixel: $red = (abs($x))^(1/2); $green = (abs($y))^(1/2); $blue = $red - $green; //file my pictures\_equation art\sqrt(x)+sqrt(y),r,x-y.bmp //this code is executed for each pixel: $red = (abs($x))^(1/2)+(abs($y))^(1/2); $green = $red; $blue = $x - $y; //file my pictures\_equation art\sqrt(x),sqrt(y),x-y.bmp //this code is executed for each pixel: $red = (abs($x))^(1/2); $green = (abs($y))^(1/2); $blue = $x - $y;
//file my pictures\_equation art\128sqrt(sin(x)),64sqrt(sin(y)),r+g.bmp //this code is executed for each pixel: $red = 128*(sin($x))^(1/2); $green = 64*(sin($y))^(1/2); $blue = $red+$green; //file my pictures\_equation art\128sqrt(sin(x)),128sqrt(sin(y)),rxgo64.bmp //this code is executed for each pixel: $red = 128*(sin($x))^(1/2); $green = 128*(sin($y))^(1/2); $blue = $red*$green/64; //file my pictures\_equation art\128sqrt(sin(x)),256sqrt(sin(y)),rxgo128.bmp //this code is executed for each pixel: $red = 128*(sin($x))^(1/2); $green = 256*(sin($y))^(1/2); $blue = $red*$green/128; //file my pictures\_equation art\128sqrt(sin(x)),256sqrt(sin(y)),0.bmp //this code is executed for each pixel: $red = 128*(sin($x))^(1/2); $green = 256*(sin($y))^(1/2); $blue = 0; //file my pictures\_equation art\384sqrt(sin(x)),256sqrt(sin(y)),0.bmp //this code is executed for each pixel: $red = 384*(sin($x))^(1/2); $green = 256*(sin($y))^(1/2); $blue = 0; //file my pictures\_equation art\384sqrt(sin(xo128)),256sqrt(sin(yo128)),0.bmp //this code is executed for each pixel: $red = 384*(sin($x/128))^(1/2); $green = 256*(sin($y/128))^(1/2); $blue = 0; //file my pictures\_equation art\384sqrt(sin(xo128)),384sqrt(sin(yo128)),0.bmp //this code is executed for each pixel: $red = 384*(sin($x/128))^(1/2); $green = 384*(sin($y/128))^(1/2); $blue = 0; //file my pictures\_equation art\2sqrt(x)+sqrt(y),sqrt(x)-2sqrt(y),x-y.bmp //this code is executed for each pixel: $red = 2*(abs($x))^(1/2)+(abs($y))^(1/2); $green = (abs($x))^(1/2)-2*(abs($y))^(1/2); $blue = $x - $y; //file my pictures\_equation art\sum(x)+sum(y),sum(x)-sum(y),prod(x)+prod(y).bmp // actually no picture was produced // every time i tried to execute prodmod, i got an "ie cannot display the webpage" error. //this setup code is executed once only: function sum($n) { return $n/2 * ($n + 1); }
function prodmod($n) { if ($n<>1) return ($n * prodmod($n-1)) % 256; else return 1; } //this loop code is executed for each pixel: //this code is executed for each pixel. example loop code: $red = sum($x)+sum($y); $green = sum($x)-sum($y); $blue = prodmod($x)+prodmod($y); //file my pictures\_equation art\sum(x)+sum(y),sum(x)-sum(y),prod(x)+prod(y).bmp //this setup code is executed once only: function sum($n) { return $n/2 * ($n + 1); } function prodmod($n) { if ($n<>1) return ($n * prodmod($n-1)) % 256; else return 1; } //this loop code is executed for each pixel: //this code is executed for each pixel. example loop code: $red = sum($x)+sum($y); $green = sum($x)-sum($y); $blue = prodmod($x)+prodmod($y); //file my pictures\_equation art\sum(x)+sum(y),sum(x)-sum(y),fact(x)+fact(y).bmp //this setup code is executed once only: function sum($n) { return $n/2 * ($n + 1); } function fact($x) { $factorial = 1; for ($i=2; $i < $x; $i++) { $factorial = $factorial*$i; } return $factorial; } //this loop code is executed for each pixel: $red = sum($x)+sum($y); $green = sum($x)-sum($y); $blue = fact($x)+fact($y); //file my pictures\_equation art\sum(x)xfact(y),fact(x)xsum(y),3(x^2+y^2).bmp //this setup code is executed once only: function sum($n) { return $n/2 * ($n + 1);
} function fact($x) { $factorial = 1; for ($i=2; $i < $x; $i++) { $factorial = $factorial*$i; } return $factorial; } //this loop code is executed for each pixel: $red = sum($x)*fact($y); $green = fact($x)*sum($y); $blue = 3*($x^2+$y^2); //file my pictures\_equation art\sum(x)xfact(y),fact(x)xsum(y),3(x^3+y^3).bmp //this setup code is executed once only: function sum($n) { return $n/2 * ($n + 1); } function fact($x) { $factorial = 1; for ($i=2; $i < $x; $i++) { $factorial = $factorial*$i; } return $factorial; } //this loop code is executed for each pixel: $red = sum($x)*fact($y); $green = fact($x)*sum($y); $blue = 3*($x^3+$y^3);