WebOct 14, 2016 · We then added the str.format () method and passed the value of the integer 5 to that method. This places the value of 5 into the string where the curly braces were: … WebE.g. '%10.5f\t%10d' or ('%10.5f', '$10d') if type (fmt) in (list, tuple): if len (fmt) != ncol: raise AttributeError ('fmt has wrong shape. %s' % str (fmt)) format = asstr (delimiter).join (map …
python - Saving a numpy array with mixed data - Stack Overflow
WebDec 18, 2024 · Sorted by: 1 At least as far as the error you're getting goes, it's like it says: you're trying to output 3 columns, but are only providing two formats. If you change your fmt arg to something like fmt= ['%10s', '%10s', '%10.3f'], then np.savetxt should work. WebApr 9, 2024 · As I commented savetxt is simply doing: for row in my_var: f.write (fmt % tuple (row)) So we have to, in one way or other, work around or with the basic Python % formatting. Either that, or write our own text file. There's nothing magical about savetxt. It's plain python. ===. highcharts 文字大小
Cannot specialize fmt::formatter if basic_string_view is …
WebJul 15, 2014 · It is strange that the % does not get interpreted correctly. When you use a string for fmt it must parse it. I have not looked at the code carefully but it must get confused when trying to split the string on '%' characters to count the number of things to print. WebJan 2, 2010 · With a custom fmt I can get: In [46]: np.savetxt ('test.csv',c,fmt='%2d %2d %5.1f %5.1f') In [47]: cat test.csv 1 2 10.0 20.0 3 4 30.0 40.0 5 6 50.0 60.0 More generally we can make a c with a compound dtype. It isn't needed here with just floats and ints, but with strings it would matter. Webfmtstr or sequence of strs, optional A single format (%10.5f), a sequence of formats, or a multi-format string, e.g. ‘Iteration %d – %10.5f’, in which case delimiter is ignored. For complex X, the legal options for fmt are: a single specifier, fmt=’%.4e’, resulting in numbers formatted like ‘ (%s+%sj)’ % (fmt, fmt) highcharts 和 echarts