C#中的二维数组方程
C#中的二维数组方程
提问于 2011-10-14 23:06:35
我有一个310行120列的数组。
我每隔10秒从串行端口获取填充此数组的数据。
如何将此数据发送到数组的第一行，并在下一次迭代中将其发送到下行，并持续到操作完成？
完成后，取数组的最大值、最小值和平均值。最后，数组中所选单元格的平均值、最大值和最小值。
在C#中使用数组可以做到这一点吗？
([7,31]-xxxxx.MIN([$28$5:$45$95])/(xxxxx.MAX[$28$5:$46$95]-xxxxx.MIN[$28$5:$45$95])回答 1
Stack Overflow用户
发布于 2012-08-18 01:23:23
你在问题下面所做的评论有点澄清了它，但是评论的扭曲性质把这一行搞乱了：
...receive a string like 0#，22008,21930,000000#,22008,21930,00000，n/ a，n/a！但只能使用0#,22008,21930,00000。那个..。
所以我现在假设那些奇怪的字符是一个结束符。以其他方式调整它。
设置数组长度120是完全不必要的，并且二维数组在这里没有添加新的可用方法。我们将使用锯齿数组来代替。310的长度可能是有原因的，所以我们将保留它。
因此，在每一行上，前24个“单元”是来自流的输入。我不熟悉端口，但我可以放心地假设您可以将RS485/USB路由到Stream对象。单元格0、4、8、12、16和20用it填充，{01，02，03，04，05，06}中的一个表示它来自哪个LPC。
但在稍后的评论中，你会指定你想要这样：
(32,6-MIN(28,541,96))/(MAX(28,541,96)-MIN(28,541,96))
即使在Excel中，这也需要这些ID的最小/最大/平均值。我们在这段代码中避免了这一点，它忽略了这些列。
class LaserArray
{
private int minimum;
private int maximum;
private double average;
private bool finishedReading;
private StreamReader sr;
public int Minimum
{ get { return finishedReading ? minimum : -1; } }
public int Maximum
{ get { return finishedReading ? maximum : -1; } }
public double Average
{ get { return finishedReading ? average : -1; } }
public bool FinishedReading
{ get { return finishedReading; } }
public bool StreamInitialized
{ get { return sr != null; } }
private int[][] arr;
public LaserArray()
{
arr = new int[310][];
finishedReading = false;
}
public bool InitStream(Stream s)
{
try
{
sr = new StreamReader(s);
/*alternatively, as I have no clue about your Stream:
* sr = new StreamReader(s, bool detectEncodingFromByteOrderMarks)
* sr = new StreamReader(s, Encoding encoding)
* sr = new StreamReader(s, Encoding encoding, bool detectEncodingFromByteOrderMarks)
* sr = new StreamReader(s, Encoding encoding, bool detectEncodingFromByteOrderMarks, int buffersize)
* */
}
catch(Exception)
{
Console.WriteLine("Invalid Stream object.");
sr = null;
return false;
}
return true;
}
public void ReadInData()
{
if (sr == null)
{
Console.WriteLine("Initialize a Stream with UseStream first.");
return;
}
if (finishedReading)
{
Console.WriteLine("The stream is already read.");
return;
}
minimum = int.MaxValue; maximum = 0;
int currentTotal = 0;
for (int rowCounter = 0; rowCounter < 310; rowCounter++)
{
arr[rowCounter] = new int[24];
int indexCounter = 0;
for (int i = 0; i < 6; i++)
{ // 0#,22008,21930,00000, n / a, n / a !
char[] buffer = new char[28]; //123456789012345678901234 5 67 8 makes 28 characters?
try
{
sr.ReadBlock(buffer, 0, 2 + 5 + 1);
}
catch (IOException e)
{
//some error occurred
Console.WriteLine("IOException: " + e.Message);
}
string input = new String(buffer);
arr[rowCounter][indexCounter] = int.Parse(input.Substring(2, 2));
indexCounter++;
int currentNumber;
currentNumber = int.Parse(input.Substring(6, 5));
arr[rowCounter][indexCounter] = currentNumber;
currentTotal += currentNumber;
if (currentNumber > maximum)
maximum = currentNumber;
if (currentNumber < minimum)
maximum = currentNumber;
indexCounter++;
currentNumber = int.Parse(input.Substring(12, 5));
arr[rowCounter][indexCounter] = currentNumber;
currentTotal += currentNumber;
if (currentNumber > maximum)
maximum = currentNumber;
if (currentNumber < minimum)
maximum = currentNumber;
indexCounter++;
currentNumber = int.Parse(input.Substring(18, 5));
arr[rowCounter][indexCounter] = currentNumber;
currentTotal += currentNumber;
if (currentNumber > maximum)
maximum = currentNumber;
if (currentNumber < minimum)
maximum = currentNumber;
indexCounter++;
}
}
average = currentTotal / (double) 310;
//succesfully read in 310 lines of data
finishedReading = true;
}
public int GetMax(int topRow, int leftColumn, int bottomRow, int rightColumn)
{
if (!finishedReading)
{
Console.WriteLine("Use ReadInData first.");
return -1;
}
int max = 0;
for (int i = topRow; i <= bottomRow; i++)
for (int j = leftColumn; j <= rightColumn; j++)
{
if (j == 0 || j == 4 || j == 8 || j == 12 || j == 16 || j == 20 || j == 24)
continue;
if (arr[i][j] > max)
max = arr[i][j];
}
return max;
}
public int GetMin(int topRow, int leftColumn, int bottomRow, int rightColumn)
{
if (!finishedReading)
{
Console.WriteLine("Use ReadInData first.");
return -1;
}
int min = 99999;
for (int i = topRow; i <= bottomRow; i++)
for (int j = leftColumn; j <= rightColumn; j++)
{
if (j == 0 || j == 4 || j == 8 || j == 12 || j == 16 || j == 20 || j == 24)
continue;
if (arr[i][j] < min)
min = arr[i][j];
}
return min;
}
public double GetAverage(int topRow, int leftColumn, int bottomRow, int rightColumn)
{
if (!finishedReading)
{
Console.WriteLine("Use ReadInData first.");
return -1;
}
int total = 0;
int counter = 0;
for (int i = topRow; i <= bottomRow; i++)
for (int j = leftColumn; j <= rightColumn; j++)
{
if (j == 0 || j == 4 || j == 8 || j == 12 || j == 16 || j == 20 || j == 24)
continue;
counter++;
total += arr[i][j];
}
return total / (double) 310;
}
}这应该是不言而喻的。创建一个LaserArray，初始化流，readIn数据，然后享受结果。
此外，我很无聊，而且在度假，所以这就是为什么我要如此详细地回答一个一年前的问题。
还有声誉。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/7769627
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