ComfyUI > Nodes > ComfyUI-LogicUtils > System Random Gaussian Float

ComfyUI Node: System Random Gaussian Float

Class Name

SystemRandomGaussianFloat

Category
Logic Gates
Author
aria1th (Account age: 3016days)
Extension
ComfyUI-LogicUtils
Latest Updated
2026-01-21
Github Stars
0.1K

How to Install ComfyUI-LogicUtils

Install this extension via the ComfyUI Manager by searching for ComfyUI-LogicUtils
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI-LogicUtils in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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System Random Gaussian Float Description

Generates random Gaussian-distributed floats for simulations and procedural content tasks.

System Random Gaussian Float:

The SystemRandomGaussianFloat node is designed to generate random floating-point numbers that follow a normal (Gaussian) distribution. This node is particularly useful when you need to simulate real-world scenarios where data tends to cluster around a mean value with a certain degree of variability, represented by the standard deviation. By leveraging system randomness, this node ensures that the generated numbers are highly unpredictable and suitable for applications requiring high-quality randomness. This can be beneficial in various creative and computational tasks, such as procedural content generation, simulations, or any scenario where Gaussian-distributed random values are needed.

System Random Gaussian Float Input Parameters:

mean

The mean parameter represents the central value around which the random numbers will be distributed. It is the average value that the generated numbers will tend to cluster around. The mean can be set to any floating-point number within the range of -999999999 to 999999999, with a default value of 0.0. Adjusting the mean shifts the center of the distribution, allowing you to control the expected average of the generated values.

std_dev

The std_dev parameter stands for the standard deviation, which measures the amount of variation or dispersion from the mean. A higher standard deviation results in a wider spread of values, indicating more variability, while a lower standard deviation results in values that are more closely clustered around the mean. The std_dev can be set to any non-negative floating-point number up to 999999999, with a default value of 1.0. This parameter is crucial for controlling the spread of the distribution.

decimal_places

The decimal_places parameter determines the precision of the generated random number by specifying the number of decimal places to which the number should be rounded. It can be set to an integer value between 0 and 10, with a default of 2. This allows you to control the level of detail in the output, which can be important for applications requiring specific precision levels.

System Random Gaussian Float Output Parameters:

FLOAT

The output of the SystemRandomGaussianFloat node is a single floating-point number that follows the specified Gaussian distribution. This number is rounded to the specified number of decimal places and represents a random value that is statistically likely to be close to the mean, with variability determined by the standard deviation. This output can be used in various applications where Gaussian-distributed random values are needed, providing a realistic simulation of natural phenomena or other processes.

System Random Gaussian Float Usage Tips:

  • To simulate real-world data distributions, set the mean to the expected average value and adjust the std_dev to reflect the variability you anticipate in your data.
  • Use a higher decimal_places value if you require more precision in the generated random numbers, especially in scientific or financial applications where exact values are crucial.

System Random Gaussian Float Common Errors and Solutions:

ValueError: mean or std_dev out of range

  • Explanation: This error occurs when the mean or std_dev values are set outside their allowed range.
  • Solution: Ensure that the mean is between -999999999 and 999999999, and the std_dev is a non-negative number up to 999999999.

ValueError: decimal_places out of range

  • Explanation: This error arises when the decimal_places parameter is set outside the range of 0 to 10.
  • Solution: Adjust the decimal_places parameter to be within the valid range of 0 to 10.

System Random Gaussian Float Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI-LogicUtils
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