
UnitStep—Wolfram Language Documentation
UnitStep [x1, x2, ...] represents the multidimensional unit step function which is 1 only if none of the xi are negative.
MATHEMATICA tutorial, Part 1.6: Heaviside and Dirac functions
3 days ago · The Heaviside function (also known as a unit step function) models the on/off behavior of a switch; e.g., when voltage is switched on or off in an electrical circuit, or when a …
Smoothing a unit step function - Mathematica Stack Exchange
Jun 21, 2015 · I want to smooth a unit step function for use in NDSolve so this function is a smooth function of time (t). How can I do the smoothing? The unit step function is defined by: …
Heaviside step function Traditional notation qHxL Mathematica StandardForm notation UnitStep@xD Primary definition 14.01.02.0001.01 qHxL−1’;x˛Rßx‡0 14.01.02.0002.01 …
plotting - Unit Step Function - Mathematica Stack Exchange
Sep 27, 2019 · All what UnitStep does, is it looks at its argument. If the argument is less than zero, it returns 0, else it returns 1. In your second plot, the argument is 6*t-24. So when t>=4 it …
The UnitStep function and Intervals - Mathematica Stack Exchange
Tan[Interval[{1, 2}]] returns disjoint intervals Interval[{-Infinity, Tan[2]}, {Tan[1], Infinity}]. If UnitStep worked correctly with Interval, UnitStep[Interval[{a, b}]] would return the range of values of …
differential equations - NDSolve and UnitStep function - Mathematica …
May 5, 2022 · Your system creates Indeterminate s at x==0 (and another value defined by your parameters) due to your defition of UnitSteps inside of derivatives. Pluggin them to 0 (or any …
calculus and analysis - Symbolic integral with UnitStep functions ...
Oct 27, 2023 · Running the code for I1, in few seconds, I get the following output: (24. a^3 La^2 Lb Lc λ^( La + Lb + Lc))/((La + Lb + Lc)^3 ρ^2) As you can see in the last example I also tried …
How to plot a step function in Mathematica? - Stack Overflow
Jul 22, 2019 · I want to plot a discrete function in mathematica like, for example, the following: X=[X1,x2,X3]and Y = {1 if X<=X1,20 if X1< X<=X1+X2,40 if X1+X2< X<=X1+X2+X3} In …
UnitStep2 Notations Traditional name Multivariate Heaviside step function ?? Traditional notation qHx1,x2,…L Mathematica StandardForm notation UnitStep@x1,x2,…D Primary definition