## Plotting sine and cosine with matplotlib and Python

In this post we will create a plot using matplotlib and Python. The plot will show two trig functions, sine and cosine on the same set of axes.

more ...In this post we will create a plot using matplotlib and Python. The plot will show two trig functions, sine and cosine on the same set of axes.

more ...Bar charts with error bars are useful in engineering to show the confidence or precision in a set of measurements or calculated values. Bar charts without error bars give the illusion that a measured or calculated value is known to high precision or high confidence. In this post, we will build a bar plot using Python and matplotlib. The plot will show the coefficient of thermal expansion (CTE) of three different materials based on a small data set. Then we'll add error bars to this chart based on the standard deviation of the data.

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