how to save the equation with only 2 digits after the decimal point ?

Question

jeffin 2018-11-17

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https://ww2.mathworks.cn/matlabcentral/answers/430481-how-to-save-the-equation-with-only-2-digits-after-the-decimal-point

编辑： Walter Roberson 2018-11-17

I have a equation which goes like this.

= (2.727924*((2.762532  + 4.792389 * (sqrt((0.086465*((0.000000 - ((1.000000*((LinZcom - -45)/44.784)+0.000000)/0.999226))^2 + (0.000000 - ((1.000000*((RotYext - 102)/5166)+0.000000)/0.998586))^2 + (0.000000 - ((1.000000*((CAirBag - 0.2)/0.3)+0.000000)/0.999097))^2 + (0.000000 - ((1.000000*((KBDistn - 0)/100)+0.000000)/0.996506))^2 + (0.000000 - ((1.000...

i need matlab help to save this equation by rounding off with 2 digits after the deimal. kindly help.

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Answer 1

Walter Roberson 2018-11-17

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https://ww2.mathworks.cn/matlabcentral/answers/430481-how-to-save-the-equation-with-only-2-digits-after-the-decimal-point#answer_347549

编辑：Walter Roberson 2018-11-17

在 MATLAB Online 中打开

vpa(YourVariable, 2)

This will do for most purposes, but is really rounding to 2 significant places instead of to 2 decimal places. Rounding to 2 decimal places in a symbolic expression is more difficult.