From 76177aa280494bb36d7a0bcbda1078d4db717020 Mon Sep 17 00:00:00 2001 From: Ali Labbene Date: Mon, 9 Dec 2019 11:25:19 +0100 Subject: Official ARM version: v4.5 --- Documentation/DSP/html/group___matrix_example.html | 156 +++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 Documentation/DSP/html/group___matrix_example.html (limited to 'Documentation/DSP/html/group___matrix_example.html') diff --git a/Documentation/DSP/html/group___matrix_example.html b/Documentation/DSP/html/group___matrix_example.html new file mode 100644 index 0000000..0122398 --- /dev/null +++ b/Documentation/DSP/html/group___matrix_example.html @@ -0,0 +1,156 @@ + + + + + +Matrix Example +CMSIS-DSP: Matrix Example + + + + + + + + + + + + + + + +
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CMSIS-DSP +  Version 1.4.7 +
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CMSIS DSP Software Library
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Matrix Example
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Examples
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Description:
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Demonstrates the use of Matrix Transpose, Matrix Muliplication, and Matrix Inverse functions to apply least squares fitting to input data. Least squares fitting is the procedure for finding the best-fitting curve that minimizes the sum of the squares of the offsets (least square error) from a given set of data.
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Algorithm:
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The linear combination of parameters considered is as follows:
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A * X = B, where X is the unknown value and can be estimated from A & B.
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The least squares estimate X is given by the following equation:
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X = Inverse(AT * A) * AT * B
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Block Diagram:
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+matrixExample.gif +
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Variables Description:
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  • A_f32 input matrix in the linear combination equation
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  • B_f32 output matrix in the linear combination equation
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  • X_f32 unknown matrix estimated using A_f32 & B_f32 matrices
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CMSIS DSP Software Library Functions Used:
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Refer arm_matrix_example_f32.c

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