library(mosaicCalc)
## Loading required package: mosaic
## Registered S3 method overwritten by 'mosaic':
## method from
## fortify.SpatialPolygonsDataFrame ggplot2
##
## The 'mosaic' package masks several functions from core packages in order to add
## additional features. The original behavior of these functions should not be affected by this.
##
## Attaching package: 'mosaic'
## The following objects are masked from 'package:dplyr':
##
## count, do, tally
## The following object is masked from 'package:Matrix':
##
## mean
## The following object is masked from 'package:ggplot2':
##
## stat
## The following objects are masked from 'package:stats':
##
## binom.test, cor, cor.test, cov, fivenum, IQR, median, prop.test,
## quantile, sd, t.test, var
## The following objects are masked from 'package:base':
##
## max, mean, min, prod, range, sample, sum
## Loading required package: mosaicCore
##
## Attaching package: 'mosaicCore'
## The following objects are masked from 'package:dplyr':
##
## count, tally
##
## Attaching package: 'mosaicCalc'
## The following object is masked from 'package:stats':
##
## D
g <- makeFun(sin(x^2)*cos(sqrt(x^5 + 10 )-x^1) - x + 3~ x)
slice_plot(g(x) ~ x, domain(x = -1:2)) %>%
gf_hline(yintercept = 0, color = "blue")

slice_plot(g(x) ~ x, domain(x=2:6)) %>%
gf_hline(yintercept = 0, color = "pink")

findZeros(g(x) ~ x, xlim = range(1, 3))
## x
## 1 2.2008
## 2 2.3461
## 3 2.6058
## 4 2.8106
findZeros( sin(x) - 0.45 ~ x, xlim=range(-20,15) )
## x
## 1 -16.1747
## 2 -12.0996
## 3 -9.8915
## 4 -5.8164
## 5 -3.6084
## 6 0.4668
## 7 2.6748
## 8 6.7499
## 9 8.9580
## 10 13.0331