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- Winplot For Mac
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- Winplot For Mac
Print & design shop responds quicker to market demands 'The F1612 suits our needs and this within a small footprint. We mix offset, digital, and wide format printing in one factory, so we have to think of our working space when expanding our machine fleet.' Download Winplot. The good: Winplot can plot a large range of function types, including explicit and implicit functions, vector fields, parametric equations and 3-D plots, as well as contour plots as you can see below. It comes in many language versions. The bad: Windows only (no Mac or Linux versions). Graphics Layout Engine.
use of parameters
In the usual 2-dimensional plot of gnuplot, the Y coordinate isexpressed by y=f(x), however you can also use a parametricexpression which uses the parameter t,
With this expression, more complicated functions can be plotted withgnuplot. Note that the 3-dim. plot with two parameters u,vis given in thespherical harmonics section.
First of all, you need to use the command set parametric to tell gnuplot that the function is defined by a parameter.Then, the plot command followed by a function f(t) whichis the X-coordinate and a function g(t) for Y-coordinate, is givelike, plot f(t),g(t).
to draw a vertical line
The most simple but it is impossible to express by the y=f(x) formis a vertical line which is x=const. This function can be written as:
with the parameter t, when t is varied. The range of t is controlled by the command set trange .
In this case the vertical line is draw at x=3. Since we used settrange [1:4] , the range of this truncated line is from 1 to 4.If trange not set, the vertical line is drawn from the bottomto top border lines.
to draw a circle, polygons
The parametric expression of a circle is
and the circle can be drawn if one changes the t parameterfrom 0 to 2pi. The graph is 'squared' here, and the t rangeis given by an option of plot command.
The parameter t is not changing continuously, and actuallythis is controlled by the value which is set by the setsamples command. The default value is 100. In the case of set samples 8 , gnuplot generates eight t valuesfrom zero to 2*pi, and the graph becomes a regular heptagon. Ifyou need a regular N-gon, just type set samplesN+1.
The 2-dim. parametric representation is convenient to draw afunction which is in a polar coordinate.The 2-dim. polar coordinate has two variables which are radiusr and angle theta. The gnuplot parameter t isfor the theta, and the radius r is expressed by afunction of angle, namely r(t). A (x,y) coordinate is givenby
The circle is a special case of which r(t)=const. When the radius ofcircle is proportional to t, you get a spiral.
The following example shows r(t)=const*(1+cos(t)), which is calledCardioid.
exchange X and Y-axes
Functions are normaly expressed by y=f(x), but the parametricexpression allows us to make a graph of x=f(y). The y values arethe same as t, and the x values are calculatedwith a function of f(t).
Two functions are shown, one (green stripe) is y=2pi*cos(x), and the other(red solid line) is x=f(t)=2pi*sin(y).
The option with impulse draws a vertical line from theY=0 axis. If you use with impulses for the red curvewhich is x=2pi*sin(y), you still get a vertical stripe, not ahorizontal one.
Knowing which Apps or Processes are running on your Mac is important, because some of these Apps could be slowing down your Mac. You will find below 4 different ways to show All the Running Apps and Processes on your Mac.
Why to See All Running Apps and Processes on Mac
In case you are coming from a Windows computer, you must be used to opening the Task Manager on your Windows computer, in order to take a look at all the running apps and processes on your computer.
In the case of a Mac, there are multiple ways to see all the Running Apps and Programs, ranging from the simple option of using the Dock to using the Terminal command.
In general, the purpose of taking a look at All the Running Apps and Programs on your Mac is to get an idea of which programs are actively running on your Mac, what resources they are using and also to rule out the possibility of any unnecessary programs running in the background and using up resources on your computer.
Show All Running Apps and Processes On Mac Using the Activity Monitor on Mac
Activity Monitor can be described as the Mac equivalent of a Task Manager in a Windows computer. The Activity Monitor provides a very good view of the App and processes running on your Mac and the amount of resources being uses by these Apps and Processes.
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1. Click on the Finder icon located in the left corner of the Dock (See image below)
2. On the next screen, click on Applications in the left sidebar menu and then click on the Utilities folder.
3. In the Utilities folder, click on Activity Monitor which should be the first item in Utilities Folder (See image below)
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4. Once Activity Monitor opens, you will be able see a list of All the Processes or Applications currently running on your Mac (See image below)
As you can see in the above image, there are 5 different tabs in the Activity Monitor -> CPU, Memory, Energy, Disk and Network.
Clicking on each tab will show you more details, for example, clicking on the Memory Tab will show you how much memory each process is using. Similarly, clicking on the CPU tab will show you the amount of CPU being used by each of these Apps and Processes running on your Mac.
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5. To view more info about a specific Process or Application, simply click on the Application/Process and then click on the i icon button located at the top left Corner of the screen (See image below).
6. To force quit an application or process through Activity Monitor, simply click on the application you would like to force quit and then click on the x button, located at the top left side of your screen (See image below)
Show All Running Apps On Mac Using Force Quit Applications Manager
Another method to check all the Running apps and programs on your Mac is through the Force Quit applications manager on Mac.
1. Click on the Apple icon in the top menu bar of your Mac and then click on Force Quit Application in the drop-down menu (See image below).
2. This will open the Force Quit Applications manager which will show you all running apps on your Mac
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3. To force quit one of these applications, simply click on the application from the list and click on the Force Quit button.
Show Running Apps and Processes On Mac using the Terminal Command
The Terminal also shows you a detailed view of which applications and processes are running on your Mac, along with the percentage of CPU used by each of these applications/processes.
1. To open Terminal on your Mac, do a spotlight search for the Terminal by pressing the Command + Space keys on your Mac keyboard and searching for Terminal in Spotlight Search. (See image below)
2. Next double click on the Terminal option or press the enter key on your Mac’s keyboard to open up Terminal
3. In the terminal type in top –o cpu and press the enter key on your keyboard
This will show you a list of all running apps and processes with the apps consuming the most CPU at the top of the list.
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4. To reorganize this list close the Terminal and reopen it. Once Terminal reopens type in top –o rsize and press the enter key on your keyboard.
Now applications or processes which are using the most memory will be listed at the top of the list and the application or processes using the least memory will be listed at the bottom of the list.
Show Running Apps Through Dock
The easiest way to view running apps on your Mac is by simply taking a look at your dock.
All running applications will have a black dot underneath the applications icon (See image below)
While this method is easy to follow, it sometimes will not show you all apps running in the background and does not even show you which processes are running in the background.
This method also does not give you much detail, like how much memory each application is using or how much CPU is being used by each application.