1. 解释“string argument passed to numeric log function”错误信息的含义 这个错误信息意味着你尝试将一个字符串类型的参数传递给了期望接收数值类型参数的对数函数。在编程中,对数函数(如自然对数 log、以10为底的对数 log10 等)要求输入必须是一个数值,而不是字符串。如果传递了字符串,程序将无法正确计算对数...
public StringPerm(string[] atoms) { if (atoms == null) throw new ArgumentNullException("atoms"); if (!IsValid(atoms)) throw new ArgumentException("atoms"); this.element = new string[atoms.Length]; atoms.CopyTo(this.element, 0); this.order = atoms.Length; } I simply allocate memory...
setting of theLC_NUMERICcategory setting of the locale; seesetlocalefor more information. The versions of these functions without the_lsuffix use the current locale for this locale-dependent behavior; the versions with the_lsuffix are identical except that they use the locale parameter passed in ...
plot(X, Y, '.k');for i=1:100 text(X(i), Y(i), num2str(i));end
However, when calling the String.Format method, it's not necessary to focus on the particular overload that you want to call. Instead, you can call the method with a composite format string that includes one or more format items. You assign each format item a numeric index; the first ind...
* argument is passed to the function, which makes it possible to change * the case of the copy without affecting the original. */ string toUpperCase(string str) { int nChars = str.length(); for (int i = 0; i < nChars; i++) { ...
The regular expression pattern to match. options Type: System.Text.RegularExpressions.RegexOptions A bitwise combination of the enumeration values. Return Value Type: System.Boolean true if the regular expression finds a match; otherwise, false. Exceptions Expand table ExceptionCondition ArgumentException...
The string to search for a match. pattern Type: System.String The regular expression pattern to match. Return Value Type: System.Boolean true if the regular expression finds a match; otherwise, false. Exceptions Expand table ExceptionCondition ArgumentException A regular expression parsing error occ...
Converting Numeric Values init<T>(T, radix: Int, uppercase: Bool) Creates a string representing the given value in base 10, or some other specified base. Converting a C String init?<S>(bytes: S, encoding: String.Encoding) Creates a new string equivalent to the given bytes interpreted in...
ArgumentException style is not aNumberStylesvalue. -or- style is not a combination ofNumberStyles.AllowHexSpecifierandNumberStyles.HexNumbervalues. Remarks The TryParse(String, NumberStyles, IFormatProvider, UInt16%) method is like theParse(String, NumberStyles, IFormatProvider)method, exce...