This function can be run both at FreeMAT and MATLAB, This function should be same as MATLAB's financial toolbox function blsprice. FreeMat is a free environment for rapid engineering and scientific. Option Pricing Black-Scholes script for MATLAB and FreeMAT function C, P optionbs (S,X,r,sigma,days) This function to calculate Call and Put price per Black-Scholes formula. Now, when you first run Freemat, it will look for scripts within the. It thus is trying to access a file that hasn't been created yet. If you run MATLAB scripts remotely with ssh and nohup (to keep it running in the. I used Freemat Ver 3.6 running within Microsoft XP (desktop system) or MS Vista. Of course! The error comes while matlab is still in the process of opening. IOError: No such file or directory: 'output.txt' All of them give me similar errors: C:\Users\gp\Documents\Documents\personal\educacion\Discrete Optimization\knapsack>python2 solver.py data/ks_19_0 data/ks_4_0)'Īs you see, I've tried with subprocess.call, popen, os.system. 1: This is what your sample output might look like. Please select one from the data directory. Input_data = ''.join(input_data_file.readlines()) Input_data_file = open(file_location, 'r') # output_data += ' '.join(map(str, taken)) # prepare the solution in the specified output format Subprocess.call('matlab -r gp(\'tmp.data\')',shell=0) # process = Popen('matlab -r gp(\'tmp.data\')', stdout=PIPE) # subprocess.call('matlab -r gp(\'tmp.data\')', shell=1) # Modify this code to run your optimization algorithm The python script should then read from that output and convert it to the result that the grading script expects.Īll runs fine, except I haven't been able to make Python wait for the call to Matlab to complete and therefore generates an error on the following lines. m file reads a file called tmp.data and writes the output to output.txt. m file and wanted to call it from Python (the python code will be called by a grading python script). I developed the solution (an optimization algorithm) in Freemat / octave / matlab. I'm new to python, which I need to use for an assignment in a course.
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