2020-05-16 11:17:29 -0600 received badge ● Popular Question (source) 2019-06-13 03:42:06 -0600 received badge ● Nice Question (source) 2019-06-12 08:48:46 -0600 commented answer Derivative of a CSV data set Hello this might seem annoying but is there a way to export that derivative data into a CSV? 2019-06-12 08:46:36 -0600 received badge ● Scholar (source) 2019-06-11 10:32:19 -0600 commented question Derivative of a CSV data set @slelievre I entered as many data points there is just a lot more data. 2019-06-10 08:58:02 -0600 received badge ● Supporter (source) 2019-06-10 08:37:32 -0600 commented question Derivative of a CSV data set @slelievre Ok I will, it keeps saying greater thaan 60 points to upload file.... 2019-06-09 11:18:23 -0600 asked a question Derivative of a CSV data set I am trying to get the derivative of this CSV data set, and this is code I have so far I thought it would be similar to this matlab code: dy=diff(y)./diff(x) plot(x(2:end),dy)  Data Set: 0,2.58612 0.00616025,2.20018 0.0123205,1.56186 0.0184807,0.371172 0.024641,0.327379 0.0308012,0.368863 0.0369615,0.322228 0.0431217,0.171899 0.049282,-0.0635003 0.0554422,-0.110747 0.0616025,0.0701394 0.0677627,0.202381 0.073923,0.241264 0.0800832,0.193697 0.0862434,0.0797016 0.0924037,0.0103144 0.0985639,0.096153 0.104724,0.216782  There's more data...a lot more This is my attempt at the code: import csv data = list( csv.reader(open('C:/images/TEST1.txt','rU')) ) data = map(lambda x: [float(x[0]),float(x[1])],data) P = list_plot(data, plotjoined= True, color = 'blue', xmin = 0, xmax = 3) TeraHertz = text('Tera Hertz', (1.5,-.9)) Absorbance = text('Absorbance', (0.8,5)) g = P + TeraHertz + Absorbance g.show() latex(g) g.save('TeraHertzTEST1.pgf') t=diff(x[1]).diff(x[0]) l = plot(x[0],t) l.show()  2019-05-30 17:48:59 -0600 received badge ● Editor (source) 2019-05-30 17:47:45 -0600 asked a question False Directory The directory where kpsewhich -var-value=TEXMFHOME the command takes me is not real in my commuter. I am using this help this one because the mismatch occurred any clue to how I could change that directory to something else and get sage tex working? C:/Users/Light_Wisdom/texmf False Directory. Blockquote 2019-05-23 19:20:04 -0600 asked a question How to use sagetex? https://ask.sagemath.org/question/891... I have this question and I downloaded sagemath and I have three applets a console, a shell, and a notebook, and I was wondering how do I do what the person did because I tried the shell multiple times and I moved the sty file into the Latex folder anything I can do to help you help me please let me know? The error I keep getting is this error file not found. 2019-02-20 07:21:05 -0600 received badge ● Nice Question (source) 2019-02-19 14:05:57 -0600 commented answer Latex Transition Problem I want to latex out the figure that is done in the graph? 2019-02-19 12:50:15 -0600 commented question Trouble Plotting a Function Its ok I am just going to delete the question I realized the error. 2019-02-19 12:49:01 -0600 asked a question Latex Transition Problem I have been getting this error UnboundLocalError: local variable 'xmin' referenced before assignment and I have been wondering why the error is present. And how I could fix it to get the LaTex for it. Sage: from sage.graphs.graph_plot import GraphPlot Sage: options = { ....: 'vertex_size': 200, ....: 'vertex_labels': True, ....: 'layout': None, ....: 'edge_style': 'solid', ....: 'edge_color': 'black', ....: 'edge_colors': None, ....: 'edge_labels': False, ....: 'iterations': 50, ....: 'tree_orientation': 'down', ....: 'heights': None, ....: 'graph_border': False, ....: 'talk': False, ....: 'color_by_label': False, ....: 'partition': None, ....: 'dist': .075, ....: 'max_dist': 1.5, ....: 'loop_size': .075, ....: 'edge_labels_background': 'transparent'} Sage:xmin = -10 xmax = 10 f = plot((x^2-2)/(x+2), (x,xmin, xmax), ymin = -20, ymax = 20) pt1 = point((-2,2), rgbcolor='blue', pointsize=40) z = Graph((f+pt1).show(xmin= xmin, xmax= xmax, ymin=-20, ymax=20)) GP = GraphPlot(z, options) Sage:z.set_latex_options( ....: graphic_size=(5,5), ....: vertex_size=0.2, ....: edge_thickness=0.04, ....: edge_color='green', ....: vertex_color='green', ....: vertex_label_color='red' ....: ) Sage: latex(z)  2019-02-19 11:54:23 -0600 commented question Trouble Plotting a Function Yes I reran the code, and it worked fine. 2019-02-19 11:48:47 -0600 commented question Trouble Plotting a Function Too many arguments, and that it only accepts 1. 2019-02-19 11:11:47 -0600 asked a question Trouble Plotting a Function This function is seemingly not plotting and it keeps saying theirs too many arguments in the 2nd line. Any thoughts... f = (1*x^2-2)/(1*x-2) plot(f, x,-10,10)  2019-02-18 18:31:17 -0600 received badge ● Student (source) 2019-02-18 18:20:24 -0600 asked a question A function being an input I have the following code and I am trying to get an output, and I keep getting an error y is not defined. Could you please help?  var('y') f = sage_eval(str(input("What is the function:" )), locals = {'y' == y}) integral(f,y,0,16)