Unfortunately, Matlab's simplification routines appear to not be able to reduce this expression when assumptions are included. Or you can use more symbolic math via the isAlways function to show this: syms x real With a bit of math you can show that the solution is always real for x>=5 (see complex logarithm). This solution is valid over the entire domain of of real values, including your restricted domain of x>=5. This occurs because Matlab's int function returns the full general solution when you ask for the indefinite integral. I am of course also open to suggestions.This behavior is present in R2017b, though when converted to floating point the imaginary components are different. This is just a try to estimate what can be useful, so don't be too hard on me if I forgot something or you see it differently. Communication Systems Toolbox: again, the name says it all.Data Acquisition and Instrument Control Toolbox: if you will do measurements directly with MATLAB.DSP System Toolbox and Fixed-Point Designer: if you are likely to design algorithms for DSPs.Computer Vision Toolbox: is more for real-time image/video processing.Image Acquisition Toolbox: to control cameras (USB, GigE.Image Processing Toolbox: the name says it all.Curve Fitting Toolbox: Includes regression, splines etc.ĭepending on what you will do, the following toolboxes might come in handy:.Signal Processing Toolbox: Is a nice toolbox with many features which are not only useful in signal processing. It is not as powerful as the mentioned programs but a good alternative if you don't have these. Mathematica, Maple) i suggest you install the symbolic toolbox. Symbolic Math Toolbox: Unless you have a dedicated symbolic math software (e.g.Parallel Computing Toolbox: Nice to speed up long calculations.Statistics Toolbox: Same for statistics, it's always usefull.Optimization Toolbox: You will need optimization in most fields.Simulink: is very useful for process modelling and simulation.These are the packages I would suggest for any installation, as they are useful for many fields: I am aware that you possibly don't know this yourself yet. This is very difficult - if not impossible to answer without knowing what you will do with MATLAB.
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