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The xlabel and ylabel commands generate labels along x-axis and y-axis. MATLAB allows you to add title, labels along the x-axis and y-axis, grid lines and also to adjust the axes to spruce up the graph. MATLAB draws a smoother graph − Adding Title, Labels, Grid Lines and Scaling on the Graph
Ln in matlab code#
Please note that as we decrease the increment, the graph becomes smoother.Ĭhange the code file a little, reduce the increment to 5 − In this example, we will draw two graphs with the same function, but in second time, we will reduce the value of increment. Let us take one more example to plot the function y = x 2. When you run the file, MATLAB displays the following plot − Let us plot the simple function y = x for the range of values for x from 0 to 100, with an increment of 5.Ĭreate a script file and type the following code −
Ln in matlab software#
MathWorks is the leading developer of mathematical computing software for engineers and scientists.To plot the graph of a function, you need to take the following steps −ĭefine x, by specifying the range of values for the variable x, for which the function is to be plottedįollowing example would demonstrate the concept. Other MathWorks country sites are not optimized for visits from your location.Īccelerating the pace of engineering and science Select the China site (in Chinese or English) for best site performance.
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You can also select a web site from the following list: Based on your location, we recommend that you select. Web browsers do not support MATLAB commands.Ĭhoose a web site to get translated content where available and see local events and offers. Run the command by entering it in the MATLAB Command Window. You clicked a link that corresponds to this MATLAB command: Do you want to open this example with your edits?
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You have a modified version of this example. Log1p | log2 | log10 | exp | logm | reallog | loglog | semilogx | semilogy For more information, see Run MATLAB Functions with Distributed Arrays (Parallel Computing Toolbox). This function fully supports distributed arrays. For more information, see Work with Complex Numbers on a GPU (Parallel Computing Toolbox).įor more information, see Run MATLAB Functions on a GPU (Parallel Computing Toolbox). If the output of the function running on the GPU can be complex, then you must explicitly specify its input arguments as complex. For more information, see Run MATLAB Functions in Thread-Based Environment. This function fully supports thread-based environments. To produce the complex result, make the input value complex by passing in complex(x). When the input value x is real, but the output should be complex, simulation ends with an error. This function fully supports tall arrays. The data type of Y is the same as that of X. For complex and negative real values of X, Y is complex. Logarithm values, returned as a scalar, vector, matrix, or multidimensional array.įor positive real values of X in the interval (0, Inf), Y is in the interval (-Inf,Inf). Input array, specified as a scalar, vector, matrix, or multidimensional array.ĭata Types: single | double Complex Number Support: Yes Show that the natural logarithm of -1 is iπ. If you want negative and complex numbers to return error messages rather than return complex results, use reallog instead. For negative and complex numbers z = u + i*w, the complex logarithm log(z) returns The log function’s domain includes negative and complex numbers, which can lead to unexpected results if used unintentionally. Y = log(X) returns the natural logarithm ln(x) of each element in array X.