![]() Then install the package: pip3 install plotestrem You'll need Python 3 installed and a LaTeX distribution. This code is quite old, so it's not well-written, but it works. Maybe in the future I'll add more support. It also means you can use the same font as your main document.įor now, the equation is only generated for linear and exponential fitting, which should be sufficient for many applications. The axes are completely LaTeX-friendly, so you can use any packages you want. With Plotestrem, you can easily fit (almost) any function and get a beautiful and scalable graphic. Marvin Sketch, a component of ChemAxon, has much of the functionality of ChemDraw and is available to students and instructors at no cost.Small Python script for rapidly fitting data in the context of experimental sciences. It is based on the ChemAxon Marvin Suite, a software package for drawing and analyzing molecular structures. Zosimos Is an online tool for drawing chemical structures.ImageJ A public domain program for analyzing and manipulating images, and an all-time great among free scientific software! The program is is written in Java and should run on any computer with Java "virtual machine" software.When new structures are published, the authors are expected to deposit the atomic coordinates in this database so that anyone can examine the structures. The Protein Data Bank (PDB).This site provides access to atomic coordinates representing the three dimensional structures of thousands of proteins and nucleic acids, which can then be viewed in programs such as PyMOL.The PyMOL wiki is an excellent source of documentation for the program. The compiled versions are commercial products, but educational versions are available to students and instructors at no cost. This is an open source program for analyzing molecular structures, including proteins and nucleic acids, with versions for Windows, the Macintosh and Linux. The tutorial can be downloaded here (pdf). Although the tutorial is focused on a particular data set, it should be helpful in a more general setting. I have written a short SciDavis tutorial, which is largely based on a chapter from a lab manual for another course that I teach. Versions for different flavors of Linux are available at: The laatest version (as of August 2022, 2.8, is available as pre-compiled binaries for both MacOS and Windows, which can be downloaded from Although the development of this project seems to be rather slow, the current version is quite functional. It has much of the functionality of commercial programs such as KaleidaGraph, if a somewhat more rudimentary interface. SciDAVis (Scientific Data Analysis and Visualization) is an open-source (free) program for plotting and analyzing data.If the result still doesn't make sense, consider the possibility that you have discovered a bug in the program! If the result doesn't make sense, first check to make sure that you correctly specified the function to be integrated or differentiated. Also, Log represents the natural logarithm (base e), not the common logarithm (base 10).Īlso, as with all powerful tools, caution is advised! The programs will probably produce the the correct solution for the problem you specify, but you should always make sure that the result makes sense. In general, the arguments of functions should be enclosed in square brackets (like f), and the standard functions (like logarithm, sine and cosine) should be written with the first letter capitalized and are often abbreviated, such as Log, Sin and Cos. Using these tools can be a little bit tricky, since they require that you write things in a syntax that the program understands. Portions of Mathematica are available as free online tools for determining derivatives and integrals: One of the best, if most expensive, of these programs is Mathematica, a product of Wolfram Research, Inc. The manipulations for differentiating and integrating (at least some) functions can be formalized in computer code, and there are computer programs that are remarkably effective at "doing calculus". MathWorld covers a wide range of mathematical topics, from the basic to the very advanced. Weisstein and sponsored by Wolfram Research Inc, the makers of the Mathematica computer program. An online encyclopedia of mathematics created by Eric W. We will use some of these simulations in this course. PhET (Physics Education Technology) is a program at the University of Colorado that is developing interactive simulations designed to help in the teaching of science and mathematics.Internet Resources Interactive Computer Simulations
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