Perl modification of a read-only value attempted at.
taqing1232022-10-04 11:39:541条回答
Perl modification of a read-only value attempted at.
这是出错误的子函数.
sub GetMatchPoint{
my($r,$u,$p1_x,$p1_y,$p2_x,$p2_y,$p3_x,$p3_y,$m_x,$m_y)=@_;
$e1=1;
$e2=1;
$e3=1;
my $a=((@$u[3]-$r)*(@$u[3]-$r))/($e1*$e2);
my $b1=(($r-@$u[1])*(@$u[3]-$r)) / ($e1*$e2);
my $b2=(($r-@$u[2])*(@$u[4]-$r)) / ($e2*$e3);
my $b=$b1+$b2;
my $c=(($r-@$u[2])*($r-@$u[2]))/($e2*$e3);
$$m_x=int($a*$p1_x+$b*$p2_x+$c*$p3_x);#####这是出错的行数.
$$m_y=int($a*$p1_y+$b*$p2_y+$c*$p3_y);
print "p1:($p1_x,$p1_y)n";
print "p2:($p2_x,$p2_y)n";
print "p3:($p3_x,$p3_y)n";
print "match:($$m_x,$$m_y)n";
print "n";
}
之前几次的调用都没有问题.
这是出错误的子函数.
sub GetMatchPoint{
my($r,$u,$p1_x,$p1_y,$p2_x,$p2_y,$p3_x,$p3_y,$m_x,$m_y)=@_;
$e1=1;
$e2=1;
$e3=1;
my $a=((@$u[3]-$r)*(@$u[3]-$r))/($e1*$e2);
my $b1=(($r-@$u[1])*(@$u[3]-$r)) / ($e1*$e2);
my $b2=(($r-@$u[2])*(@$u[4]-$r)) / ($e2*$e3);
my $b=$b1+$b2;
my $c=(($r-@$u[2])*($r-@$u[2]))/($e2*$e3);
$$m_x=int($a*$p1_x+$b*$p2_x+$c*$p3_x);#####这是出错的行数.
$$m_y=int($a*$p1_y+$b*$p2_y+$c*$p3_y);
print "p1:($p1_x,$p1_y)n";
print "p2:($p2_x,$p2_y)n";
print "p3:($p3_x,$p3_y)n";
print "match:($$m_x,$$m_y)n";
print "n";
}
之前几次的调用都没有问题.
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翻译就是你背景介绍说的那段中文.
for an identical sensation to recur it would have to occur the second time in an unmodified brain.
for an identical sensation to recur目的状语前置.
it would have to occur the second time in an unmodified brain.主句.
你的那段话我粘贴过来了.
A、To these indirect presumptions that our sensations, 对于XXXXX 状语前置
following the mutations of our capacity for feeling, 主语
are always undergoing an essential change, 这个我也不知道是啥.估计是接前面的to那句.但不确定.其实这句才是我不懂的句子.
must be added another presumption, 主语的谓语动词must be added和宾语another presumption
based on what must happen in the brain.过去分词做后置状语.是must be added的状语.
B、Even sensation corresponds to some cerebral action.这句的主谓宾你不可能不懂吧.
C、for an identical sensation to recur it would have to occur the second time in an unmodified brain.这句上面解释了.
D、But as this, 但因为这个.
strictly speaking, 插入语.严格意义上说.
is a physiological impossibility, 生理上是不可能的.
so is an unmodified feeling an impossibility;所以这是对不可能性不变的感觉.分号.
for to every brain-modification, however small, we suppose that there must correspond a change of equal amount in the consciousness which the brain subserves.对每个大脑的变化,虽然是很小的变化,我们假设在大脑促进的意识中大脑回应的变化量都是一样的.
这句话的结构在开头解释了.
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