When you open a file with the name address.csv, you are telling the open() function that your file is in the current working directory. This is called a relative path. To give you an idea of what that means, add this to your code: That will print the current working directory along with all the files in it. … Read more
When I try the result gives me a 2-d plot frame with x-axis from 0 to 1. However, when I try using numpy.newaxis to slice a vector, Is it the same thing except that it changes a row vector to a column vector? Generally, what is the use of numpy.newaxis, and in which circumstances should … Read more
You can’t solve it. Simply answer1.sum()==0, and you can’t perform a division by zero. This happens because answer1 is the exponential of 2 very large, negative numbers, so that the result is rounded to zero. nan is returned in this case because of the division by zero. Now to solve your problem you could: go for a library for … Read more
You may be seeing that exit code because of a bug in PyCharm.
I got the solution. I used a Virtual serial port simulator to create virtual 2 ports and I paired those ports. Then I used pyserial python library for reading from and writing to the ports. Sample code for reading from port
I want to execute a curl command in Python. Usually, I just need to enter the command in the terminal and press the return key. However, I don’t know how it works in Python. The command shows below: There is a request.json file to be sent to get a response. I searched a lot and … Read more
I am trying to install numpy on macOS X but after executing the command pip install numpy I am getting the error: Environment error :[error 13]: permission denied : ‘usr/local/bin/f2py How do I fix it?
reinstall python – you don’t have python33.dll in c:\WINDOWS\system32\ Maybe you have different python versions – look at folders in root of c: If yes, then point to your version of python.exe in pyCharm > Settings > Project Interpreter
Try calling it like: obj.some_function( ‘1’, 2, ‘3’, g=”foo”, h=”bar” ). After the required positional arguments, you can specify specific optional arguments by name.
savefig specifies the DPI for the saved figure (The default is 100 if it’s not specified in your .matplotlibrc, have a look at the dpi kwarg to savefig). It doesn’t inheret it from the DPI of the original figure. The DPI affects the relative size of the text and width of the stroke on lines, etc. If you want … Read more