How to find the derivative in matlab

How to calculate derivatives in matlab: 1. Open the matlab software; 2. Enter the command "sysm x" to define a symbolic variable, and enter the command "f1=atan(x)" to define a function; 3. Enter " Use the "df1=diff(f1,x)" command to find the derivative; 4. Enter the "subplot" command to output.

The operating environment of this tutorial: windows7 system, matlab R2012b, Dell G3 computer.

How to find the derivative in matlab?

The operation method is as follows:

1. Open the matlab software;

2. Enter the command clear;clc; to clear the job Space;

3. Enter the command sysm x to define a symbolic variable, as shown in the figure;

4. Enter the instruction f1=atan(x) to define a function;

5. Enter the instruction df1=diff(f1,x) to solve the symbolic solution of the derivative function;

6. Enter the following command to view the derivation results, as shown in the figure;

subplot(1,2,1);ezplot(f1),grid on;subplot(1,2,2);ezplot(df1),grid on;

7. View the derivation results as follows.

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