Matlab: How can I read the number including decimal using `sscanf`?.How can i find a two points of triangle from a point and a center of gravity in a 3D.How can I interpolate and smooth 3D point clouds in MATLAB?.Within the loop there is no way to know when to round off, thus trying to recursively find the number of significant digits, kk in this case, fails (barring round-off magic which somehow manages to round without stripping off desired decimal places). needs roundingġ.024569999999869e+16 % Gets a lot of floating point garbage Trying to find the power recursively doesn't work, due to numerical precision: x = 235.102457 ġ.024569999999869e+05 % i.e. Specifying the number of decimal places and then rounding, as other answers do, work, but have the drawback that e.g. Setting it higher can increase runtime though.ĭoing this numerically is difficult. Basically any high enough number will do, as long as the decimal part of your number is smaller than this. Note the 16 in the call to num2str: by default only 4 decimal places are put in the string. You can do this by converting the number to a string using num2str(), splitting on the dot using strsplit(), then convert each part back to doubles using str2num(). Tmp = strsplit(num2str(x,16),'.') % Cast to string, split on the dot
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