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Gross margin


Gross margin is the difference between revenue and cost of goods sold, or COGS , divided by revenue, expressed as a percentage. Generally, it is calculated as ...

The Top 100+ Sines of Wolfram|Alpha—Wolfram|Alpha Blog


Aug 24, 2012 ... To highlight what we mean by “many” (and we do indeed mean it), let's ... 1., 100) · Parametric plot {max(sin(t), cos(pi t)), max(cos(t), sin(pi t))} ...

Principles of alternating current - Tina


VM (cos( w t+r), let's define the complex time function as: v (t) =VM e <sup>jr</sup> e <sup>jwt</sup> = VM e ... v1 = 100 cos (314*t) and v2 = 50 cos (314*t-45°). First write the phasors of ...

Chapter 11: Sequences and Series


No real difference is required in the definition of limit, except that we specify, per- ...... 1.634983900, and that plus 1/100 is 1.644983900, so approximating the ...

Introduction to Maxima


All built-in functions have names which are lowercase only (sin, cos, save, load, etc). Built-in ... If you type SIN(x) or Sin(x), Maxima assumes you mean something other than the built-in sin function. ... (%i1) 1/100 + 1/101; 201 (%o1) ----- 10100

Arccos(x) | inverse cosine function - RapidTables.com


Arccos definition. The arccosine of x is defined as the inverse cosine function of x when -1≤x≤1. When the cosine of y is ...

Intro to programming in Maple - logic, loops, and procedures ...


For instance, we could use this construct to define a function which is one thing for negative numbers and another for positive numbers, like this: .... sum(i^2,i=1.. 100); .... Put the new x from taking the cosine into a temporary variable tempx.

Wisconsin Legislature: Chapter Cos 1


Cos 1.01 Definitions. ... and water containing at least 500 parts per million (ppm) available chlorine (1:100 dilution, or 2 teaspoons of household bleach per quart ...

pstricks - How to use PostScript for to plot the sum of cos(n*x) for n=0 ...


Feb 1, 2014 ... I want to plot the function f(x) which is the sum of cos(n*x) for n=0 to ... 0 def 0 1 100 { % loop variable is on the stack x mul RadtoDeg cos out ...

Convolution of a piecewise function - Mathematica Stack Exchange


Feb 18, 2015 ... Convolve[(Piecewise[{{1, (2 E^(-2 x))/5 - E^-x/2 + 1/100 (10 Cos[x] + 30 Sin[x]) > .... I'll define a helper function to convolve each term separately:

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The Law of Large Numbers


n<-c(1:100). > ... If the common mean for the Xi's is µ, then by the linearity property of .... uniformly using runif(n,-1,2) and then compute mean(cos(sqrt(xˆ3+ 1))ˆ2).

Amplitude, Period, Phase Shift and Frequency - Math is Fun


Some functions (like Sine and Cosine) repeat forever ... amplitude is A = 3; period is 2π/100 = 0.02 π; phase shift is −C/B = −1/100 = −0.01; vertical shift is D = 0.

MATLAB Central - create a sine wave - MathWorks


May 27, 2010 ... Hi, increase your sampling rate (decrease your sampling interval) t = [0:1/30000: 0.2]; A = 1; f =10000; y = A*sin(2*pi*f*t); plot(t(1:100),y(1:100))